diff --git a/src/bitmessagekivy/mpybit.py b/src/bitmessagekivy/mpybit.py
index 1ab9314e..b462f85d 100644
--- a/src/bitmessagekivy/mpybit.py
+++ b/src/bitmessagekivy/mpybit.py
@@ -1011,7 +1011,8 @@ class Random(Screen):
         state.kivyapp.root.ids.sc10.init_ui()
         toast('New address created')
 
-    def add_validation(self, instance):
+    @staticmethod
+    def add_validation(instance):
         """Checking validation at address creation time"""
         entered_label = str(instance.text.strip())
         lables = [BMConfigParser().get(obj, 'label')
@@ -1995,6 +1996,7 @@ class NavigateApp(MDApp):
         toast('Copied')
 
     def reset_login_screen(self):
+        """This method is used for clearing random screen"""
         if self.root.ids.sc7.ids.add_random_bx.children:
             self.root.ids.sc7.ids.add_random_bx.clear_widgets()
 
@@ -2045,7 +2047,7 @@ class GrashofPopup(Popup):
         # my_addresses = (
         #     self.parent.children[1].children[0].children[0].ids.btn.values)
         my_addresses = (
-        state.kivyapp.root.children[0].children[0].ids.btn.values)
+            state.kivyapp.root.children[0].children[0].ids.btn.values)
         add_book = [addr[1] for addr in kivy_helper_search.search_sql(
             folder="addressbook")]
         entered_text = str(instance.text).strip()
@@ -3015,4 +3017,4 @@ class ToAddrBoxlayout(BoxLayout):
 
 class RandomBoxlayout(BoxLayout):
     """class for BoxLayout behaviour"""
-    pass
\ No newline at end of file
+    pass
diff --git a/src/depends.py b/src/depends.py
index e359724f..105244ee 100755
--- a/src/depends.py
+++ b/src/depends.py
@@ -4,6 +4,10 @@ and suggest how it may be installed
 """
 
 import sys
+import logging
+import os
+import state
+from importlib import import_module
 
 # Only really old versions of Python don't have sys.hexversion. We don't
 # support them. The logging module was introduced in Python 2.3
@@ -14,10 +18,6 @@ if not hasattr(sys, 'hexversion') or sys.hexversion < 0x20300F0:
         % sys.version
     )
 
-import logging
-import os
-from importlib import import_module
-import state
 # We can now use logging so set up a simple configuration
 formatter = logging.Formatter('%(levelname)s: %(message)s')
 handler = logging.StreamHandler(sys.stdout)
@@ -304,7 +304,7 @@ def check_openssl():
                 ' OpenSSL 0.9.8b or later with AES, Elliptic Curves (EC),'
                 ' ECDH, and ECDSA enabled.')
             return False
-        if sys.version_info >=(3,0,0):
+        if sys.version_info >= (3, 0, 0):
             matches = cflags_regex.findall(str(openssl_cflags))
         else:
             matches = cflags_regex.findall(openssl_cflags)
@@ -359,7 +359,8 @@ def check_curses():
     # The pythondialog author does not like Python2 str, so we have to use
     # unicode for just the version otherwise we get the repr form which
     # includes the module and class names along with the actual version.
-    logger.info('dialog Utility Version %s', unicode(dialog_util_version))
+    # logger.info('dialog Utility Version %s', unicode(dialog_util_version))
+    logger.info('dialog Utility Version %s', str(dialog_util_version))
     return True
 
 
diff --git a/src/network/tls.py b/src/network/tls.py
index c8bee8b8..b2f1847d 100644
--- a/src/network/tls.py
+++ b/src/network/tls.py
@@ -172,7 +172,7 @@ class TLSDispatcher(AdvancedDispatcher):
             self.handle_close()
             return
 
-    def tls_handshake(self):
+    def tls_handshake(self):  # pylint:disable=too-many-branches
         """Perform TLS handshake and handle its stages"""
         # wait for flush
         # self.sslSocket.setblocking(0)