Updated with get

Author: Parimi Bala Neeraja

connector/src/yang/connector/gnmi.py

@@ -308,8 +308,8 @@ def connect(self):
             port = str(dev_args.get('port'))
         target = '{0}:{1}'.format(host, port)
 
-        max_receive_message_length = self.settings.GRPC_MAX_RECEIVE_MESSAGE_LENGTH
-        max_send_message_length = self.settings.GRPC_MAX_SEND_MESSAGE_LENGTH
+        max_receive_message_length = self.settings.get('GRPC_MAX_RECEIVE_MESSAGE_LENGTH')
+        max_send_message_length = self.settings.get('GRPC_MAX_SEND_MESSAGE_LENGTH')
 
         options = [('grpc.max_receive_message_length', max_receive_message_length),
                    ('grpc.max_send_message_length', max_send_message_length)]