diff --git a/src/bitmessagekivy/identiconGeneration.py b/src/bitmessagekivy/identiconGeneration.py
index a5dcf3d0..14a31403 100644
--- a/src/bitmessagekivy/identiconGeneration.py
+++ b/src/bitmessagekivy/identiconGeneration.py
@@ -46,13 +46,13 @@ def generate_hash(string):
         # make input case insensitive
         string = str.lower(string)
         hash_object = hashlib.md5(str.encode(string))
-        print hash_object.hexdigest()
+        print(hash_object.hexdigest())
 
         # returned object is a hex string
         return hash_object.hexdigest()
 
     except IndexError:
-        print "Error: Please enter a string as an argument."
+        print("Error: Please enter a string as an argument.")
 
 
 def random_color(hash_string):
diff --git a/src/bitmessagekivy/main.kv b/src/bitmessagekivy/main.kv
index be6f76e9..18f1ac6a 100644
--- a/src/bitmessagekivy/main.kv
+++ b/src/bitmessagekivy/main.kv
@@ -1,43 +1,38 @@
 
-#:import Toolbar kivymd.toolbar.Toolbar
+#:import MDToolbar kivymd.uix.toolbar.MDToolbar
 #:import ThemeManager kivymd.theming.ThemeManager
-#:import MDNavigationDrawer kivymd.navigationdrawer.MDNavigationDrawer
-#:import NavigationLayout kivymd.navigationdrawer.NavigationLayout
-#:import NavigationDrawerDivider kivymd.navigationdrawer.NavigationDrawerDivider
-#:import NavigationDrawerToolbar kivymd.navigationdrawer.NavigationDrawerToolbar
-#:import NavigationDrawerSubheader kivymd.navigationdrawer.NavigationDrawerSubheader
-#:import MDCheckbox kivymd.selectioncontrols.MDCheckbox
-#:import MDSwitch kivymd.selectioncontrols.MDSwitch
-#:import MDList kivymd.list.MDList
-#:import OneLineListItem kivymd.list.OneLineListItem
-#:import TwoLineListItem kivymd.list.TwoLineListItem
-#:import ThreeLineListItem kivymd.list.ThreeLineListItem
-#:import OneLineAvatarListItem kivymd.list.OneLineAvatarListItem
-#:import OneLineIconListItem kivymd.list.OneLineIconListItem
-#:import OneLineAvatarIconListItem kivymd.list.OneLineAvatarIconListItem
-#:import MDTextField kivymd.textfields.MDTextField
-#:import MDSpinner kivymd.spinner.MDSpinner
-#:import MDCard kivymd.card.MDCard
-#:import MDSeparator kivymd.card.MDSeparator
-#:import MDDropdownMenu kivymd.menu.MDDropdownMenu
+#:import MDNavigationDrawer kivymd.uix.navigationdrawer.MDNavigationDrawer
+#:import NavigationLayout kivymd.uix.navigationdrawer.NavigationLayout
+#:import NavigationDrawerDivider kivymd.uix.navigationdrawer.NavigationDrawerDivider
+#:import NavigationDrawerToolbar kivymd.uix.navigationdrawer.NavigationDrawerToolbar
+#:import NavigationDrawerSubheader kivymd.uix.navigationdrawer.NavigationDrawerSubheader
+#:import MDCheckbox kivymd.uix.selectioncontrol.MDCheckbox
+#:import MDSwitch kivymd.uix.selectioncontrol.MDSwitch
+#:import MDList kivymd.uix.list.MDList
+#:import OneLineListItem kivymd.uix.list.OneLineListItem
+#:import TwoLineListItem kivymd.uix.list.TwoLineListItem
+#:import ThreeLineListItem kivymd.uix.list.ThreeLineListItem
+#:import OneLineAvatarListItem kivymd.uix.list.OneLineAvatarListItem
+#:import OneLineIconListItem kivymd.uix.list.OneLineIconListItem
+#:import OneLineAvatarIconListItem kivymd.uix.list.OneLineAvatarIconListItem
+#:import MDTextField kivymd.uix.textfield.MDTextField
+#:import MDSpinner kivymd.uix.spinner.MDSpinner
+#:import MDCard kivymd.uix.card.MDCard
+#:import MDSeparator kivymd.uix.card.MDSeparator
+#:import MDDropdownMenu kivymd.uix.menu.MDDropdownMenu
 #:import get_color_from_hex kivy.utils.get_color_from_hex
 #:import colors kivymd.color_definitions.colors
-#:import SmartTile kivymd.grid.SmartTile
-#:import MDSlider kivymd.slider.MDSlider
-#:import MDTabbedPanel kivymd.tabs.MDTabbedPanel
-#:import MDTab kivymd.tabs.MDTab
-#:import MDProgressBar kivymd.progressbar.MDProgressBar
-#:import MDAccordion kivymd.accordion.MDAccordion
-#:import MDAccordionItem kivymd.accordion.MDAccordionItem
-#:import MDAccordionSubItem kivymd.accordion.MDAccordionSubItem
-#:import MDThemePicker kivymd.theme_picker.MDThemePicker
-#:import MDBottomNavigation kivymd.tabs.MDBottomNavigation
-#:import MDBottomNavigationItem kivymd.tabs.MDBottomNavigationItem
-#:import MDFloatingActionButton kivymd.button.MDFloatingActionButton
+#:import MDSlider kivymd.uix.slider.MDSlider
+#:import MDTabs kivymd.uix.tab.MDTabs
+#:import MDProgressBar kivymd.uix.progressbar.MDProgressBar
+#:import MDAccordion kivymd.uix.accordion.MDAccordion
+#:import MDAccordionItem kivymd.uix.accordion.MDAccordionItem
+#:import MDAccordionSubItem kivymd.uix.accordion.MDAccordionSubItem
+#:import MDFloatingActionButton kivymd.uix.button.MDFloatingActionButton
 #:import Factory kivy.factory.Factory
-#:import MDTextButton kivymd.button.MDTextButton
+#:import MDTextButton kivymd.uix.button.MDTextButton
 #:import FadeTransition kivy.uix.screenmanager.FadeTransition
-#:import MDScrollViewRefreshLayout kivymd.refreshlayout.MDScrollViewRefreshLayout
+#:import MDScrollViewRefreshLayout kivymd.uix.refreshlayout.MDScrollViewRefreshLayout
 
 #:set color_button (0.784, 0.443, 0.216, 1)  # brown
 #:set color_button_pressed (0.659, 0.522, 0.431, 1)  # darker brown
@@ -176,7 +171,7 @@ NavigationLayout:
     BoxLayout:
         id: box_layout
         orientation: 'vertical'
-        Toolbar:
+        MDToolbar:
             id: toolbar
             title: app.current_address_label()
             opacity: 1 if app.addressexist() else 0
@@ -342,7 +337,7 @@ NavigationLayout:
                         size_hint: .6, .35
                         height: dp(40)
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: root.available_credits
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -423,7 +418,7 @@ NavigationLayout:
                         height: dp(40)
                         on_press: root.reset_composer()
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: 'reset'
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -521,7 +516,7 @@ NavigationLayout:
                         height: dp(40)
                         on_press: app.root.ids.scr_mngr.current = 'random'
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: 'proceed'
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -566,7 +561,7 @@ NavigationLayout:
                         on_release: root.generateaddress(app)
                         opposite_colors: True
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: 'next'
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -594,7 +589,7 @@ NavigationLayout:
                         size_hint: .6, .55
                         height: dp(40)
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: 'Server'
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -607,7 +602,7 @@ NavigationLayout:
                         size_hint: .6, .55
                         height: dp(40)
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: 'Import or export data'
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -620,7 +615,7 @@ NavigationLayout:
                         size_hint: .6, .55
                         height: dp(40)
                         MDLabel:
-                            font_style: 'Title'
+                            font_style: 'H4'
                             text: 'Restart background service'
                             font_size: '13sp'
                             color: (1,1,1,1)
@@ -698,20 +693,20 @@ NavigationLayout:
                         size: self.size
                 MDLabel:
                     size_hint_y: None
-                    font_style: 'Headline'
+                    font_style: 'Subtitle1'
                     theme_text_color: 'Primary'
                     text: 'Platinum'
                     halign: 'center'
                     color: 1,1,1,1
                 MDLabel:
-                    font_style: 'Subhead'
+                    font_style: 'H4'
                     theme_text_color: 'Primary'
                     text: 'We provide subscriptions for proof of work calculation for first month. '
                     halign: 'center'
                     color: 1,1,1,1
                 MDLabel:
                     id: free_pak
-                    font_style: 'Headline'
+                    font_style: 'Subtitle1'
                     theme_text_color: 'Primary'
                     text: '€ 50.0'
                     halign: 'center'
@@ -727,7 +722,7 @@ NavigationLayout:
                     height: dp(40)
                     on_press: root.get_available_credits(self)
                     MDLabel:
-                        font_style: 'Title'
+                        font_style: 'H4'
                         text: 'Get Free Credits'
                         font_size: '13sp'
                         color: (0,0,0,1)
@@ -744,19 +739,19 @@ NavigationLayout:
                         size: self.size
                 MDLabel:
                     size_hint_y: None
-                    font_style: 'Headline'
+                    font_style: 'Subtitle1'
                     theme_text_color: 'Primary'
                     text: 'Silver'
                     halign: 'center'
                     color: 1,1,1,1
                 MDLabel:
-                    font_style: 'Subhead'
+                    font_style: 'H4'
                     theme_text_color: 'Primary'
                     text: 'We provide for proof of work calculation for six month. '
                     halign: 'center'
                     color: 1,1,1,1
                 MDLabel:
-                    font_style: 'Headline'
+                    font_style: 'Subtitle1'
                     theme_text_color: 'Primary'
                     text: '€ 100.0'
                     halign: 'center'
@@ -771,7 +766,7 @@ NavigationLayout:
                     size_hint: 1, None
                     height: dp(40)
                     MDLabel:
-                        font_style: 'Title'
+                        font_style: 'H4'
                         text: 'Get Monthly Credits'
                         font_size: '13sp'
                         color: (0,0,0,1)
@@ -788,19 +783,19 @@ NavigationLayout:
                         size: self.size
                 MDLabel:
                     size_hint_y: None
-                    font_style: 'Headline'
+                    font_style: 'Subtitle1'
                     theme_text_color: 'Primary'
                     text: 'Gold'
                     halign: 'center'
                     color: 1,1,1,1
                 MDLabel:
-                    font_style: 'Subhead'
+                    font_style: 'H4'
                     theme_text_color: 'Primary'
                     text: 'We provide for proof of work calculation for 1years. '
                     halign: 'center'
                     color: 1,1,1,1
                 MDLabel:
-                    font_style: 'Headline'
+                    font_style: 'Subtitle1'
                     theme_text_color: 'Primary'
                     text: '€ 500.0'
                     halign: 'center'
@@ -815,7 +810,7 @@ NavigationLayout:
                     size_hint: 1, None
                     height: dp(40)
                     MDLabel:
-                        font_style: 'Title'
+                        font_style: 'H4'
                         text: 'Get Yearly Credits'
                         font_size: '13sp'
                         color: (0,0,0,1)
@@ -862,7 +857,7 @@ NavigationLayout:
                 on_release:                 
                     root.savecontact()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Save'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -873,7 +868,7 @@ NavigationLayout:
                 on_press: root.dismiss()
                 on_press: root.close_pop()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Cancel'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -882,7 +877,7 @@ NavigationLayout:
                 size_hint: 2, None
                 height: dp(40)
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Scan QR code'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -891,93 +886,8 @@ NavigationLayout:
 
 <NetworkStat>:
     name: 'networkstat'
-    MDTabbedPanel:
-        id: tab_panel
-        tab_display_mode:'text'
-
-        MDTab:
-            name: 'connections'
-            text: "Total connections"
-            ScrollView:
-                do_scroll_x: False
-                MDList:
-                    id: ml
-                    size_hint_y: None
-                    height: dp(200)
-                    OneLineListItem:
-                        text: "Total Connections"
-                    BoxLayout:
-                        AnchorLayout:
-                            MDRaisedButton:
-                                size_hint: .6, .35
-                                height: dp(40)
-                                MDLabel:
-                                    font_style: 'Title'
-                                    text: root.text_variable_1
-                                    font_size: '13sp'
-                                    color: (1,1,1,1)
-                                    halign: 'center'
-        MDTab:
-            name: 'processes'
-            text: 'Processes'
-            ScrollView:
-                do_scroll_x: False
-                MDList:
-                    id: ml
-                    size_hint_y: None
-                    height: dp(500)
-                    OneLineListItem:
-                        text: "person-to-person"
-                    BoxLayout:
-                        AnchorLayout:
-                            MDRaisedButton:
-                                size_hint: .7, .6
-                                height: dp(40)
-                                MDLabel:
-                                    font_style: 'Title'
-                                    text: root.text_variable_2
-                                    font_size: '13sp'
-                                    color: (1,1,1,1)
-                                    halign: 'center'
-                    OneLineListItem:
-                        text: "Brodcast"
-                    BoxLayout:
-                        AnchorLayout:
-                            MDRaisedButton:
-                                size_hint: .7, .6
-                                height: dp(40)
-                                MDLabel:
-                                    font_style: 'Title'
-                                    text: root.text_variable_3
-                                    font_size: '13sp'
-                                    color: (1,1,1,1)
-                                    halign: 'center'
-                    OneLineListItem:
-                        text: "publickeys"
-                    BoxLayout:
-                        AnchorLayout:
-                            MDRaisedButton:
-                                size_hint: .7, .6
-                                height: dp(40)
-                                MDLabel:
-                                    font_style: 'Title'
-                                    text: root.text_variable_4
-                                    font_size: '13sp'
-                                    color: (1,1,1,1)
-                                    halign: 'center'
-                    OneLineListItem:
-                        text: "objects"
-                    BoxLayout:
-                        AnchorLayout:
-                            MDRaisedButton:
-                                size_hint: .7, .6
-                                height: dp(40)
-                                MDLabel:
-                                    font_style: 'Title'
-                                    text: root.text_variable_5
-                                    font_size: '13sp'
-                                    color: (1,1,1,1)
-                                    halign: 'center'
+    Label: 
+        text:"surbhi"
 
 <MailDetail>:
     name: 'mailDetail'
@@ -989,31 +899,31 @@ NavigationLayout:
             height: dp(500) + self.minimum_height
             padding: dp(32)
             MDLabel:
-                font_style: 'Headline'
+                font_style: 'Subtitle1'
                 theme_text_color: 'Primary'
                 text: root.subject
                 halign: 'left'
                 font_size: '20sp'
                 CopyTextBtn:
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: "From: " + root.from_addr
                 halign: 'left'
                 CopyTextBtn:
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: "To: " + root.to_addr
                 halign: 'left'
                 CopyTextBtn:
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: root.status
                 halign: 'left'
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: root.message
                 halign: 'left'
@@ -1072,25 +982,25 @@ NavigationLayout:
             spacing:dp(25)
             MDLabel:
                 id: myaddr_label
-                font_style: 'Title'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: "Label"
                 font_size: '17sp'
                 halign: 'left'
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: root.address_label
                 font_size: '15sp'
                 halign: 'left'
             MDLabel:
-                font_style: 'Title'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: "Address"
                 font_size: '17sp'
                 halign: 'left'
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: root.address
                 font_size: '15sp'
@@ -1104,7 +1014,7 @@ NavigationLayout:
                 height: dp(40)
                 on_press: root.send_message_from()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Send message from'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -1116,7 +1026,7 @@ NavigationLayout:
                 on_press: app.root.ids.scr_mngr.current = 'showqrcode'
                 on_press: app.root.ids.sc15.qrdisplay()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Show QR code'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -1127,7 +1037,7 @@ NavigationLayout:
                 on_press: root.dismiss()
                 on_press: root.close_pop()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Cancel'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -1151,14 +1061,14 @@ NavigationLayout:
             orientation: 'vertical'
             spacing:dp(20)
             MDLabel:
-                font_style: 'Title'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: "Label"
                 font_size: '17sp'
                 halign: 'left'
             MDTextField:
                 id: add_label
-                font_style: 'Subhead'
+                font_style: 'H4'
                 font_size: '15sp'
                 halign: 'left'
                 text: root.address_label
@@ -1166,13 +1076,13 @@ NavigationLayout:
                 required: True
                 helper_text_mode: "on_error"
             MDLabel:
-                font_style: 'Title'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: "Address"
                 font_size: '17sp'
                 halign: 'left'
             MDLabel:
-                font_style: 'Subhead'
+                font_style: 'H4'
                 theme_text_color: 'Primary'
                 text: root.address
                 font_size: '15sp'
@@ -1186,7 +1096,7 @@ NavigationLayout:
                 height: dp(40)
                 on_press: root.send_message_to()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Send message to'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -1197,7 +1107,7 @@ NavigationLayout:
                 font_size: '10sp'
                 on_press: root.update_addbook_label(root.address)
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Save'
                     font_size: '13sp'
                     color: (1,1,1,1)
@@ -1208,7 +1118,7 @@ NavigationLayout:
                 on_press: root.dismiss()
                 on_press: root.close_pop()
                 MDLabel:
-                    font_style: 'Title'
+                    font_style: 'H4'
                     text: 'Cancel'
                     font_size: '13sp'
                     color: (1,1,1,1)
diff --git a/src/bitmessagekivy/mpybit.py b/src/bitmessagekivy/mpybit.py
index 70f51b29..6f7b1cc6 100644
--- a/src/bitmessagekivy/mpybit.py
+++ b/src/bitmessagekivy/mpybit.py
@@ -35,27 +35,31 @@ from kivy.uix.screenmanager import Screen
 from kivy.uix.spinner import Spinner
 from kivy.uix.textinput import TextInput
 from kivy.utils import platform
-import kivy_helper_search
-from kivymd.button import MDIconButton
-from kivymd.dialog import MDDialog
-from kivymd.label import MDLabel
-from kivymd.list import (
+from bitmessagekivy import kivy_helper_search
+from kivymd.uix.dialog import MDDialog
+from kivymd.uix.button import MDIconButton
+from kivymd.uix.label import MDLabel
+from kivymd.uix.list import (
     ILeftBody,
     ILeftBodyTouch,
     IRightBodyTouch,
     TwoLineAvatarIconListItem,
     TwoLineListItem)
-from kivymd.navigationdrawer import (
+from kivymd.uix.navigationdrawer import (
     MDNavigationDrawer,
     NavigationDrawerHeaderBase)
-from kivymd.selectioncontrols import MDCheckbox
+from kivymd.uix.selectioncontrol import MDCheckbox
 from kivymd.theming import ThemeManager
 import queues
 from semaphores import kivyuisignaler
 import state
-from uikivysignaler import UIkivySignaler
 
-import identiconGeneration
+from bitmessagekivy.uikivysignaler import UIkivySignaler
+# pylint: disable=unused-argument, too-few-public-methods, import-error
+
+from bitmessagekivy import identiconGeneration
+import os
+from kivy.core.clipboard import Clipboard
 # pylint: disable=unused-argument, too-few-public-methods
 
 
@@ -89,7 +93,7 @@ class Inbox(Screen):
     def init_ui(self, dt=0):
         """Clock Schdule for method inbox accounts."""
         self.inboxaccounts()
-        print dt
+        print (dt)
 
     def inboxaccounts(self):
         """Load inbox accounts."""
@@ -329,7 +333,7 @@ class AddressBook(Screen):
     def init_ui(self, dt=0):
         """Clock Schdule for method AddressBook."""
         self.loadAddresslist(None, 'All', '')
-        print dt
+        print (dt)
 
     def loadAddresslist(self, account, where="", what=""):
         """Clock Schdule for method AddressBook."""
@@ -428,7 +432,7 @@ class SelectableLabel(RecycleDataViewBehavior, Label):
         """Respond to the selection of items in the view."""
         self.selected = is_selected
         if is_selected:
-            print "selection changed to {0}".format(rv.data[index])
+            print("selection changed to {0}".format(rv.data[index]))
             rv.parent.txt_input.text = rv.parent.txt_input.text.replace(
                 rv.parent.txt_input.text, rv.data[index]['text'])
 
@@ -455,7 +459,7 @@ class DropDownWidget(BoxLayout):
         subject = self.ids.subject.text.encode('utf-8').strip()
         message = self.ids.body.text.encode('utf-8').strip()
         encoding = 3
-        print "message: ", self.ids.body.text
+        print ("message: ", self.ids.body.text)
         sendMessageToPeople = True
         if sendMessageToPeople:
             if toAddress != '' and subject and message:
@@ -483,12 +487,12 @@ class DropDownWidget(BoxLayout):
                         toAddress = addBMIfNotPresent(toAddress)
                         statusIconColor = 'red'
                         if addressVersionNumber > 4 or addressVersionNumber <= 1:
-                            print "addressVersionNumber > 4 \
-                            or addressVersionNumber <= 1"
+                            print("addressVersionNumber > 4 \
+                            or addressVersionNumber <= 1")
                         if streamNumber > 1 or streamNumber == 0:
-                            print "streamNumber > 1 or streamNumber == 0"
+                            print("streamNumber > 1 or streamNumber == 0")
                         if statusIconColor == 'red':
-                            print "shared.statusIconColor == 'red'"
+                            print("shared.statusIconColor == 'red'")
                         stealthLevel = BMConfigParser().safeGetInt(
                             'bitmessagesettings', 'ackstealthlevel')
                         from helper_ackPayload import genAckPayload
@@ -523,7 +527,7 @@ class DropDownWidget(BoxLayout):
                     toLabel = ''
 
                     queues.workerQueue.put(('sendmessage', toAddress))
-                    print "sqlExecute successfully #######################"
+                    print ("sqlExecute successfully #######################")
                     self.parent.parent.current = 'inbox'
                     state.in_composer = True
                     navApp.back_press()
@@ -718,7 +722,7 @@ class Sent(Screen):
     def init_ui(self, dt=0):
         """Clock Schdule for method sent accounts."""
         self.sentaccounts()
-        print dt
+        print(dt)
 
     def sentaccounts(self):
         """Load sent accounts."""
@@ -1088,7 +1092,7 @@ class NavigateApp(App):     # pylint: disable=too-many-public-methods
             if not os.path.exists(directory):
                 os.makedirs(directory)
         except OSError:
-            print 'Error: Creating directory. ' + directory
+            print('Error: Creating directory. ' + directory)
 
     @staticmethod
     def get_default_image():
@@ -1179,7 +1183,7 @@ class NavigateApp(App):     # pylint: disable=too-many-public-methods
     @staticmethod
     def on_stop():
         """On stop methos is used for stoping the runing script."""
-        print "*******************EXITING FROM APPLICATION*******************"
+        print("*******************EXITING FROM APPLICATION*******************")
         import shutdown
         shutdown.doCleanShutdown()
 
@@ -1633,7 +1637,7 @@ class Draft(Screen):
     def init_ui(self, dt=0):
         """Clock Schdule for method draft accounts."""
         self.sentaccounts()
-        print dt
+        print (dt)
 
     def sentaccounts(self):
         """Load draft accounts."""
@@ -1801,7 +1805,7 @@ class Allmails(Screen):
     def init_ui(self, dt=0):
         """Clock Schdule for method all mails."""
         self.mailaccounts()
-        print dt
+        print (dt)
 
     def mailaccounts(self):
         """Load all mails for account."""
diff --git a/src/bitmessagemain.py b/src/bitmessagemain.py
index e066dd06..6e8206ef 100755
--- a/src/bitmessagemain.py
+++ b/src/bitmessagemain.py
@@ -200,6 +200,7 @@ class Main:     # pylint: disable=no-init, old-style-class
             from plugins.plugin import get_plugin
             try:
                 proxyconfig_start = time.time()
+                import pdb;pdb.set_trace
                 if not get_plugin('proxyconfig', name=proxy_type)(config):
                     raise TypeError
             except TypeError:
@@ -358,7 +359,7 @@ class Main:     # pylint: disable=no-init, old-style-class
         # Not needed if objproc disabled
         if state.enableObjProc:
             shared.reloadMyAddressHashes()
-            shared.reloadBroadcastSendersForWhichImWatching()
+            # shared.reloadBroadcastSendersForWhichImWatching()
             # API is also objproc dependent
             if config.safeGetBoolean('bitmessagesettings', 'apienabled'):
                 import api  # pylint: disable=relative-import
@@ -373,7 +374,7 @@ class Main:     # pylint: disable=no-init, old-style-class
             asyncoreThread = BMNetworkThread()
             asyncoreThread.daemon = True
             asyncoreThread.start()
-            for i in range(config.getint('threads', 'receive')):
+            for i in range(config.safeGet('threads', 'receive')):
                 receiveQueueThread = ReceiveQueueThread(i)
                 receiveQueueThread.daemon = True
                 receiveQueueThread.start()
diff --git a/src/helper_startup.py b/src/helper_startup.py
index 0d3523e3..f0457638 100644
--- a/src/helper_startup.py
+++ b/src/helper_startup.py
@@ -25,6 +25,7 @@ StoreConfigFilesInSameDirectoryAsProgramByDefault = False
 
 
 def _loadTrustedPeer():
+    trustedPeer = ''
     try:
         trustedPeer = BMConfigParser().get('bitmessagesettings', 'trustedpeer')
     except configparser.Error:
@@ -32,13 +33,15 @@ def _loadTrustedPeer():
         # can just leave it as None
         return
     try:
-        host, port = trustedPeer.split(':')
+        # import pdb;pdb.set_trace()
+        if trustedPeer != None:
+            host, port = trustedPeer.split(':')
+            state.trustedPeer = state.Peer(host, int(port))
     except ValueError:
         sys.exit(
             'Bad trustedpeer config setting! It should be set as'
             ' trustedpeer=<hostname>:<portnumber>'
         )
-    state.trustedPeer = state.Peer(host, int(port))
 
 
 def loadConfig():
diff --git a/src/highlevelcrypto.py b/src/highlevelcrypto.py
index c235072c..648e11a7 100644
--- a/src/highlevelcrypto.py
+++ b/src/highlevelcrypto.py
@@ -16,8 +16,9 @@ def makeCryptor(privkey):
     # import pdb;pdb.set_trace()
     private_key = a.changebase(privkey, 16, 256, minlen=32)
     public_key = pointMult(private_key)
-    privkey_bin = '\x02\xca\x00\x20' + private_key
-    pubkey_bin = '\x02\xca\x00\x20' + public_key[1:-32].decode() + '\x00\x20' + public_key[-32:].decode()
+    privkey_bin = '\x02\xca\x00\x20'.encode('utf-8') + private_key
+    pubkey_bin = '\x02\xca\x00\x20'.encode('utf-8') + public_key[1:-32] + '\x00\x20'.encode('utf-8') + public_key[-32:]
+    import pdb;pdb.set_trace()
     cryptor = pyelliptic.ECC(curve='secp256k1', privkey=privkey_bin, pubkey=pubkey_bin)
     return cryptor
 
diff --git a/src/knownnodes.py b/src/knownnodes.py
index b30ca770..35d105bc 100644
--- a/src/knownnodes.py
+++ b/src/knownnodes.py
@@ -55,6 +55,7 @@ def json_deserialize_knownnodes(source):
     Read JSON from source and make knownnodes dict
     """
     global knownNodesActual  # pylint: disable=global-statement
+    # import pdb;pdb.set_trace()
     for node in json.load(source):
         peer = node['peer']
         info = node['info']
@@ -107,7 +108,7 @@ def createDefaultKnownNodes():
 
 def readKnownNodes():
     try:
-        with open(state.appdata + 'knownnodes.dat', 'rb') as source:
+        with open(state.appdata + 'knownnodes.dat', 'r') as source:
             with knownNodesLock:
                 try:
                     json_deserialize_knownnodes(source)
diff --git a/src/network/connectionpool.py b/src/network/connectionpool.py
index a50d83b6..313f3924 100644
--- a/src/network/connectionpool.py
+++ b/src/network/connectionpool.py
@@ -274,10 +274,15 @@ class BMConnectionPool(object):
                             continue
 
                     self.lastSpawned = time.time()
+
+            print('++++++++++++++++++++++++++++++++++++++++++')
+            print('self.inboundConnections.values()-{}'.format(self.inboundConnections.values()))
+            print('self.outboundConnections.values() -{}'.format(self.outboundConnections.values()))
+            print('+++++++++++++++++++++++++++++++++++++++++++')
         else:
             for i in (
-                    self.inboundConnections.values() +
-                    self.outboundConnections.values()
+                    list(self.inboundConnections.values()) +
+                    list(self.outboundConnections.values())
             ):
                 # FIXME: rating will be increased after next connection
                 i.handle_close()
diff --git a/src/network/stats.py b/src/network/stats.py
index 7b9a1e0d..31ffcbf3 100644
--- a/src/network/stats.py
+++ b/src/network/stats.py
@@ -4,7 +4,7 @@ src/network/stats.py
 """
 import time
 
-import asyncore_pollchoose as asyncore
+from network import asyncore_pollchoose as asyncore
 from network.connectionpool import BMConnectionPool
 from network.objectracker import missingObjects
 
@@ -20,8 +20,9 @@ currentSentSpeed = 0
 def connectedHostsList():
     """List of all the connected hosts"""
     retval = []
-    for i in BMConnectionPool().inboundConnections.values() + \
-            BMConnectionPool().outboundConnections.values():
+    # import pdb;pdb.set_trace()
+    for i in list(BMConnectionPool().inboundConnections.values()) + \
+            list(BMConnectionPool().outboundConnections.values()):
         if not i.fullyEstablished:
             continue
         try:
diff --git a/src/pyelliptic/arithmetic.py b/src/pyelliptic/arithmetic.py
index 43166006..7b7a477b 100644
--- a/src/pyelliptic/arithmetic.py
+++ b/src/pyelliptic/arithmetic.py
@@ -30,7 +30,9 @@ def get_code_string(base):
     elif base == 58:
         return "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"
     elif base == 256:
-        return ''.join([chr(x) for x in range(256)])
+        '''raw_unicode_escape is used because in the python3 after range(161) its genreate the'
+         the speical character so avoiding that function we have used the raw_unicode method '''
+        return ''.join([chr(x) for x in range(256)]).encode('raw_unicode_escape')
     else:
         raise ValueError("Invalid base!")
 
@@ -38,9 +40,16 @@ def get_code_string(base):
 def encode(val, base, minlen=0):
     code_string = get_code_string(base)
     result = ""
+    result = str.encode(result)
+    count = 0
+    # import pdb;pdb.set_trace()
     while val > 0:
-        result = code_string[round(val % base)] + result
-        val /= base
+        count += 1
+        # import pdb;pdb.set_trace()
+        result = code_string[int(val) % base:int(val) % base + 1] + result
+        # print('the value of the result-{}'.format(result))
+        val = int(val / base)
+    # import pdb;pdb.set_trace()
     if len(result) < minlen:
         result = code_string[0] * (minlen - len(result)) + result
     return result
@@ -48,10 +57,12 @@ def encode(val, base, minlen=0):
 
 def decode(string, base):
     code_string = get_code_string(base)
+    string.decode()
     result = 0
     if base == 16:
         string = string.lower()
     while string:
+        # import pdb;pdb.set_trace()
         result *= base
         result += code_string.find(string.decode()[0])
         string = string[1:]
@@ -59,6 +70,7 @@ def decode(string, base):
 
 
 def changebase(string, frm, to, minlen=0):
+    # import pdb;pdb.set_trace()
     return encode(decode(string, frm), to, minlen)
 
 
diff --git a/src/pyelliptic/ecc.py b/src/pyelliptic/ecc.py
index 14adca42..63748287 100644
--- a/src/pyelliptic/ecc.py
+++ b/src/pyelliptic/ecc.py
@@ -74,11 +74,13 @@ class ECC(object):
                 if curve != curve2:
                     raise Exception("Bad ECC keys ...")
             self.curve = curve
+            import pdb;pdb.set_trace()
             self._set_keys(pubkey_x, pubkey_y, raw_privkey)
         else:
             self.privkey, self.pubkey_x, self.pubkey_y = self._generate()
 
     def _set_keys(self, pubkey_x, pubkey_y, privkey):
+        import pdb;pdb.set_trace()
         if self.raw_check_key(privkey, pubkey_x, pubkey_y) < 0:
             self.pubkey_x = None
             self.pubkey_y = None
@@ -114,7 +116,7 @@ class ECC(object):
             pack('!H', len(self.pubkey_x)),
             self.pubkey_x,
             pack('!H', len(self.pubkey_y)),
-            self.pubkey_y,
+            self.pubkey_y,  
         ))
 
     def get_privkey(self):
@@ -129,27 +131,37 @@ class ECC(object):
         ))
 
     @staticmethod
-    def _decode_pubkey( pubkey):
-        pubkey = pubkey.encode()
+    def _decode_pubkey(pubkey):
+        # pubkey = pubkey.encode()
+        import pdb;pdb.set_trace()
         i = 0
-        curve = unpack('!H', pubkey[i:i + 2])[0]
+        # curve = unpack('!H', pubkey[i:i + 2])[0]
+        curve = pack('!s', pubkey[i:i + 1])[0]
+
         i += 2
-        tmplen = unpack('!H', pubkey[i:i + 2])[0]
+        # tmplen = unpack('!H', pubkey[i:i + 2])[0]
+        tmplen = pack('!s', pubkey[i:i + 1])[0]
         i += 2
         pubkey_x = pubkey[i:i + tmplen]
-        i += tmplen
-        tmplen = unpack('!H', pubkey[i:i + 2])[0]
-        i += 2
+        # i += tmplen
+        i += int(tmplen / 3)
+        # tmplen = unpack('!H', pubkey[i:i + 2])[0]
+        tmplen = pack('!s', pubkey[i:i + 1])[0]
+        # i += 2
         pubkey_y = pubkey[i:i + tmplen]
-        i += tmplen
-        return curve, pubkey_x, pubkey_y, i
+        # i += tmplen
+        return curve, pubkey_x, pubkey_y, int(i)
 
     @staticmethod
     def _decode_privkey(privkey):
         i = 0
-        curve = unpack('!H', privkey[i:i + 2])[0]
+        # import pdb;pdb.set_trace()
+        # curve = unpack('!H', privkey[i:i + 2])[0]
+        curve = pack('!s', privkey[i:i + 1])[0]
+
         i += 2
-        tmplen = unpack('!H', privkey[i:i + 2])[0]
+        # tmplen = unpack('!H', privkey[i:i + 2])[0]
+        tmplen = pack('!s', privkey[i:i + 1])[0]
         i += 2
         privkey = privkey[i:i + tmplen]
         i += tmplen
@@ -276,6 +288,7 @@ class ECC(object):
         return self.raw_check_key(raw_privkey, pubkey_x, pubkey_y, curve)
 
     def raw_check_key(self, privkey, pubkey_x, pubkey_y, curve=None):
+        import pdb;pdb.set_trace()
         """Check key validity, key is supplied as binary data"""
         # pylint: disable=too-many-branches
         if curve is None:
diff --git a/src/storage/sqlite.py b/src/storage/sqlite.py
index 54913830..03265fd1 100644
--- a/src/storage/sqlite.py
+++ b/src/storage/sqlite.py
@@ -8,7 +8,7 @@ from threading import RLock
 
 
 from helper_sql import sqlQuery, SqlBulkExecute, sqlExecute
-from storage import InventoryStorage, InventoryItem
+from storage.storage import InventoryStorage, InventoryItem
 
 
 class SqliteInventory(InventoryStorage):    # pylint: disable=too-many-ancestors