Traceback (most recent call last):

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/testing.py", line 119, in __call__
result = self.orig_method(*args, **kwargs)

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/test/tcpclient_test.py", line 107, in test_connect_ipv6_dual
self.do_test_connect(socket.AF_INET6, 'localhost')

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/testing.py", line 500, in post_coroutine
timeout=timeout)

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/ioloop.py", line 444, in run_sync
return future_cell[0].result()

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/concurrent.py", line 214, in result
raise_exc_info(self._exc_info)

 "<string>", line 3, in raise_exc_info

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/gen.py", line 230, in wrapper
yielded = next(result)

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/test/tcpclient_test.py", line 84, in do_test_connect
port = self.start_server(family)

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/test/tcpclient_test.py", line 60, in start_server
self.server = TestTCPServer(family)

 "/export/home/orion/fedora/python-tornado/python-tornado-4.2.0git/python3/tornado/test/tcpclient_test.py", line 40, in __init__
self.port = sockets[0].getsockname()[1]IndexError: list index out of range
Traceback (most recent call last):


 "D:\Мои документы\Dropbox\Projects\Eclipse\workspace\sopds\manage.py", line 10, in <module>

execute_from_command_line(sys.argv)


 "D:\Projects\Eclipse\workspace\sopds\venv\lib\site-packages\django\core\management\__init__.py", line 381, in execute_from_command_line

utility.execute()


 "D:\Projects\Eclipse\workspace\sopds\venv\lib\site-packages\django\core\management\__init__.py", line 375, in execute

self.fetch_command(subcommand).run_from_argv(self.argv)


 "D:\Projects\Eclipse\workspace\sopds\venv\lib\site-packages\django\core\management\base.py", line 308, in run_from_argv

parser = self.create_parser(argv[0], argv[1])


 "D:\Projects\Eclipse\workspace\sopds\venv\lib\site-packages\django\core\management\base.py", line 282, in create_parser

self.add_arguments(parser)


 "D:\Projects\Eclipse\workspace\sopds\venv\lib\site-packages\constance\management\commands\constance.py", line 35, in add_arguments

parser_list = subparsers.add_parser('list', cmd=self, help='list all Constance keys and their values')


 "C:\Users\mitsh\AppData\Local\Programs\Python\Python37\lib\argparse.py", line 1116, in add_parser

parser = self._parser_class(**kwargs)


 "D:\Projects\Eclipse\workspace\sopds\venv\lib\site-packages\django\core\management\base.py", line 48, in __init__

super().__init__(**kwargs)
TypeError: __init__() got an unexpected keyword argument 'cmd'
