Django写的接口自动化平台发布到腾讯云服务器，运行用例时报错

Django写的接口自动化平台发布到腾讯云服务器，运行用例时报错（本地运行一切正常）

详情报错信息如下：

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/httprunner/task.py", line 27, in runTest
    self.test_runner.run_test(self.testcase_dict)
  File "/usr/local/lib/python3.7/site-packages/httprunner/runner.py", line 167, in run_test
    **parsed_request
  File "/usr/local/lib/python3.7/site-packages/httprunner/client.py", line 131, in request
    response = self._send_request_safe_mode(method, url, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/httprunner/client.py", line 198, in _send_request_safe_mode
    return requests.Session.request(self, method, url, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line 542, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/local/lib/python3.7/site-packages/requests/sessions.py", line 655, in send
    r = adapter.send(request, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/requests/adapters.py", line 449, in send
    timeout=timeout
  File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 706, in urlopen
    chunked=chunked,
  File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 382, in _make_request
    self._validate_conn(conn)
  File "/usr/local/lib/python3.7/site-packages/urllib3/connectionpool.py", line 1010, in _validate_conn
    conn.connect()
  File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line 353, in connect
    conn = self._new_conn()
  File "/usr/local/lib/python3.7/site-packages/urllib3/connection.py", line 170, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw
  File "/usr/local/lib/python3.7/site-packages/urllib3/util/connection.py", line 86, in create_connection
    sock.connect(sa)
  File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 203, in handle_abort
    sys.exit(1)
SystemExit: 1

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