diff --git a/src/network/bmproto.py b/src/network/bmproto.py
index 69f1debb..a175fc43 100644
--- a/src/network/bmproto.py
+++ b/src/network/bmproto.py
@@ -543,10 +543,12 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
             self.isSSL = True
         if not self.verackReceived:
             return True
-        print('inside the bmproto line 546')
+        print('inside the bmproto line')
+        print('before the value of state are :-{}'.format(self.state))
         self.set_state(
             "tls_init" if self.isSSL else "connection_fully_established",
             length=self.payloadLength, expectBytes=0)
+        print('After the value of state are :-{}'.format(self.state))
         return False
 
     def peerValidityChecks(self):   # pylint: disable=too-many-return-statements
diff --git a/src/network/dandelion.py b/src/network/dandelion.py
index 0adeddd6..6c34f525 100644
--- a/src/network/dandelion.py
+++ b/src/network/dandelion.py
@@ -105,13 +105,14 @@ class Dandelion():      # pylint: disable=old-style-class
                 #hashMap is has any value
             # if not [hasmap for hasmap in  self.hashMap.items()] ==[]:
             try:
-                for k, v in iter({
-                        k: v for k, v in  iter([hasmap for hasamp in  self.hashMap.items()])
-                        if v.child is None
-                }).items():
-                    self.hashMap[k] = Stem(
-                        connection, v.stream, self.poissonTimeout())
-                    invQueue.put((v.stream, k, v.child))
+                if self.hashMap:
+                    for k, v in iter({
+                            k: v for k, v in  iter([hasmap for hasmap in  self.hashMap.items()])
+                            if v.child is None
+                    }).items():
+                        self.hashMap[k] = Stem(
+                            connection, v.stream, self.poissonTimeout())
+                        invQueue.put((v.stream, k, v.child))
             except AttributeError:
                 pass
 
@@ -133,12 +134,13 @@ class Dandelion():      # pylint: disable=old-style-class
             if connection in self.stem:
                 self.stem.remove(connection)
                 # active mappings to pointing to the removed node
+
                 for k in (
                         k for k, v in iter(self.nodeMap.items()) if v == connection
                 ):
                     self.nodeMap[k] = None
                 for k, v in iter({
-                        k: v for k, v in iter(self.hashMap.items())
+                        k: v for k, v in iter(iter([hasmap for hasmap in  self.hashMap.items()]))
                         if v.child == connection
                 }).items():
                     self.hashMap[k] = Stem(
diff --git a/src/network/networkthread.py b/src/network/networkthread.py
index 2a22367f..ca7cb56c 100644
--- a/src/network/networkthread.py
+++ b/src/network/networkthread.py
@@ -26,17 +26,17 @@ class BMNetworkThread(StoppableThread):
 
     def stopThread(self):
         super(BMNetworkThread, self).stopThread()
-        for i in BMConnectionPool().listeningSockets.values():
+        for i in [listeningSockets  for listeningSockets in BMConnectionPool().listeningSockets.values()]:
             try:
                 i.close()
             except:
                 pass
-        for i in BMConnectionPool().outboundConnections.values():
+        for i in [ outboundConnections for outboundConnections in  BMConnectionPool().outboundConnections.values()]:
             try:
                 i.close()
             except:
                 pass
-        for i in BMConnectionPool().inboundConnections.values():
+        for i in [inboundConnections for inboundConnections in BMConnectionPool().inboundConnections.values()]:
             try:
                 i.close()
             except:
diff --git a/src/network/tcp.py b/src/network/tcp.py
index 61285080..f07d9b1c 100644
--- a/src/network/tcp.py
+++ b/src/network/tcp.py
@@ -362,7 +362,7 @@ class TCPServer(AdvancedDispatcher):
     """TCP connection server for Bitmessage protocol"""
 
     def __init__(self, host='127.0.0.1', port=8444):
-        if not '_map' in dir(self):
+        if  '_map' not in dir(self):
             AdvancedDispatcher.__init__(self)
         self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
         self.set_reuse_addr()
diff --git a/src/network/tls.py b/src/network/tls.py
index 5a0f4c99..33e04f7f 100644
--- a/src/network/tls.py
+++ b/src/network/tls.py
@@ -67,6 +67,7 @@ class TLSDispatcher(AdvancedDispatcher):      # pylint: disable=too-many-instanc
         self.isSSL = False
 
     def state_tls_init(self):
+        print()
         """Prepare sockets for TLS handshake"""
         # pylint: disable=attribute-defined-outside-init
         self.isSSL = True
@@ -94,13 +95,16 @@ class TLSDispatcher(AdvancedDispatcher):      # pylint: disable=too-many-instanc
                 ciphers=self.ciphers, do_handshake_on_connect=False)
         self.sslSocket.setblocking(0)
         self.want_read = self.want_write = True
+        print('before tls file python 98 state are :- {}'.format(self.state))
         self.set_state("tls_handshake")
+        print('after tls file python 100 state are :- {}'.format(self.state))
         return False
 #        if hasattr(self.socket, "context"):
 #            self.socket.context.set_ecdh_curve("secp256k1")
 
     @staticmethod
     def state_tls_handshake():
+        print("tls's state_tls_handshake method in line 107")
         """Do nothing while TLS handshake is pending, as during this phase we need to react to callbacks instead"""
         return False
 
@@ -178,6 +182,7 @@ class TLSDispatcher(AdvancedDispatcher):      # pylint: disable=too-many-instanc
             return
 
     def tls_handshake(self):
+        print('inside the tls_handshake')
         """Perform TLS handshake and handle its stages"""
         # wait for flush
         if self.write_buf: