diff --git a/client/netwrapper.py b/client/netwrapper.py
index 20da3a1..2d01813 100644
--- a/client/netwrapper.py
+++ b/client/netwrapper.py
@@ -23,7 +23,7 @@ class NetWrapper:
         self.username = username
         self.privateKey = privateKey
         self.serverPubKey = serverPubKey
-        self.cipherkey="".encode('UTF-8')
+        self.cipherkey = "".encode('UTF-8')
 
     def randomStringGenerator(self, str_size: int = 512,
                               allowed_chars: str = string.ascii_letters + string.punctuation) -> str:
@@ -53,7 +53,7 @@ class NetWrapper:
         cipher = PKCS1_OAEP.new(rsakey)
         mypubkey = b64encode(cipher.encrypt(str(dh.gen_public_key()).encode('UTF-8')))
         jsonmsg = json.dumps({'type': 'DH', 'source': self.network.own_addr, 'message': mypubkey}).encode('UTF-8')
-        self.network.send_msg(self.serverAddr,jsonmsg)
+        self.network.send_msg(self.serverAddr, jsonmsg)
         status, msg = self.network.receive_msg(blocking=True)
         if not status:
             raise Exception('Network error during connection.')
@@ -69,7 +69,8 @@ class NetWrapper:
         ciphertext = cipher.encrypt(message)
         nonce = b64encode(cipher.nonce).decode('UTF-8')
         ct = b64encode(ciphertext).decode('UTF-8')
-        sendjson = json.dumps({'type': 'AUT', 'source': self.network.own_addr, 'nonce': nonce, 'message': ct}).encode('UTF-8')
+        sendjson = json.dumps({'type': 'AUT', 'source': self.network.own_addr, 'nonce': nonce, 'message': ct}).encode(
+            'UTF-8')
         self.network.send_msg(self.serverAddr, sendjson)
         status, msg = self.network.receive_msg(blocking=True)
         if not status:
@@ -99,8 +100,9 @@ class NetWrapper:
         ciphertext = cipher.encrypt(message)
         nonce = b64encode(cipher.nonce).decode('UTF-8')
         ct = b64encode(ciphertext).decode('UTF-8')
-        sendjson = json.dumps({'type': 'CMD', 'source': self.network.own_addr, 'nonce': nonce, 'message': ct}).encode('UTF-8')
-        self.network.send_msg(self.serverAddr,sendjson)
+        sendjson = json.dumps({'type': 'CMD', 'source': self.network.own_addr, 'nonce': nonce, 'message': ct}).encode(
+            'UTF-8')
+        self.network.send_msg(self.serverAddr, sendjson)
 
     def recieveMessage(self) -> bytes:
         status, msg = self.network.receive_msg(blocking=True)