fix launch, adjust how main.py starts

launch.py

@@ -13,5 +13,6 @@ if __name__ == "__main__":
             app.setApplicationName("TCPChat Client")
             m = MainWindow()
             app.exec_()
-        elif str(sys.argv[1]).lower() == ['server', 's', '2']:
+        elif str(sys.argv[1]).lower() in ['server', 's', '2']:
             from server import main
+            main.receive()

server/main.py

@@ -33,5 +33,5 @@ def receive():
         thread = threading.Thread(target=client.handle, name=client.id[:8])
         thread.start()
 
-
-receive()
+if __name__ == '__main__':
+    receive()