Traceback (most recent call last):


 "./electrum", line 415, in <module>

result = server.run_cmdline(config_options)


 "/home/electest/Electrum-3.0.2/packages/jsonrpclib/jsonrpc.py", line 650, in __call__

return self.__send(self.__name, args)


 "/home/electest/Electrum-3.0.2/packages/jsonrpclib/jsonrpc.py", line 532, in _request

check_for_errors(response)


 "/home/electest/Electrum-3.0.2/packages/jsonrpclib/jsonrpc.py", line 1220, in check_for_errors

raise ProtocolError((code, message))
jsonrpclib.jsonrpc.ProtocolError: (-32602, 'Invalid parameters: string argument without an encoding')

Traceback (most recent call last):


 "lenze_ua_server_test.py", line 32, in test_connect__simple__shouldsuccess

client.disconnect()


 "./python_opcua/opcua/client/client.py", line 261, in disconnect

self.disconnect_socket()


 "./python_opcua/opcua/client/client.py", line 270, in disconnect_socket

self.uaclient.disconnect_socket()


 "./python_opcua/opcua/client/ua_client.py", line 221, in disconnect_socket

return self._uasocket.disconnect_socket()


 "./python_opcua/opcua/client/ua_client.py", line 144, in disconnect_socket

self._socket.socket.shutdown(socket.SHUT_RDWR)
AttributeError: 'NoneType' object has no attribute 'socket'
