title: Python requests http.client.RemoteDisconnected: Remote end closed connection without response :(
body: <pre class="lang-py prettyprint-override"><code>Traceback (most recent call last):
    File "/Users/kozo4/Library/Python/3.6/lib/python/site-packages/urllib3/connectionpool.py", line 600, in urlopen
      chunked=chunked)
    File "/Users/kozo4/Library/Python/3.6/lib/python/site-packages/urllib3/connectionpool.py", line 386, in _make_request
      six.raise_from(e, None)
    File "&lt;string&gt;", line 2, in raise_from
    File "/Users/kozo4/Library/Python/3.6/lib/python/site-packages/urllib3/connectionpool.py", line 382, in _make_request
      httplib_response = conn.getresponse()
    File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 1331, in getresponse
      response.begin()
    File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 297, in begin
      version, status, reason = self._read_status()
    File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 266, in _read_status
      raise RemoteDisconnected("Remote end closed connection without"
  http.client.RemoteDisconnected: Remote end closed connection without response
  
  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
    File "/Users/kozo4/Library/Python/3.6/lib/python/site-packages/requests/adapters.py", line 440, in send
      timeout=timeout
    File "/Users/kozo4/Library/Python/3.6/lib/python/site-packages/urllib3/connectionpool.py", line 649, in urlopen
      _stacktrace=sys.exc_info()[2])
    File "/Users/kozo4/Library/Python/3.6/lib/python/site-packages/urllib3/util/retry.py", line 388, in increment
      raise MaxRetryError(_pool, url, error or ResponseError(cause))
  urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host='127.0.0.1', port=9090): Max retries exceeded with url: http://js2.a.yximgs.com/ufile/atlas/NzgwOTQwMTJfMTQzNzA4ODk0OTY=_1.webp (Caused by ProxyError('Cannot connect to proxy.', RemoteDisconnected('Remote end closed connection without response',)))
  
  During handling of the above exception, another exception occurred:
  
  </code></pre>
  
  <p>I don't know what this is :(
  This is a python crawler. I get the json data and then cache it locally, but why do I report this error when I request it (usually a .webp or .mp4 file)?</p>