Error Handling Request Repeated in Home Assistant Logs

[nhorvath]

I updated homeassistant to 0.68.1 which fixed the distutils issue for me, but I still have this issue.

Fri May 04 2018 10:46:12 GMT-0400 (Eastern Daylight Time)

Error handling request
Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/aiohttp/web_protocol.py", line 381, in start
    resp = await self._request_handler(request)
  File "/usr/lib/python3.6/site-packages/aiohttp/web_app.py", line 322, in _handle
    resp = await handler(request)
  File "/usr/lib/python3.6/site-packages/aiohttp/web_middlewares.py", line 88, in impl
    return await handler(request)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/http/static.py", line 68, in staticresource_middleware
    return await handler(request)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/http/real_ip.py", line 27, in real_ip_middleware
    return await handler(request)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/http/ban.py", line 68, in ban_middleware
    return await handler(request)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/http/auth.py", line 52, in auth_middleware
    return await handler(request)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/http/view.py", line 104, in handle
    result = await result
  File "/usr/lib/python3.6/site-packages/homeassistant/components/camera/__init__.py", line 379, in get
    response = yield from self.handle(request, camera)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/camera/__init__.py", line 399, in handle
    image = yield from camera.async_camera_image()
  File "/usr/lib/python3.6/concurrent/futures/thread.py", line 56, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/lib/python3.6/site-packages/homeassistant/components/camera/skybell.py", line 67, in camera_image
    return self._response.content
  File "/usr/lib/python3.6/site-packages/requests/models.py", line 823, in content
    self._content = bytes().join(self.iter_content(CONTENT_CHUNK_SIZE)) or bytes()
  File "/usr/lib/python3.6/site-packages/requests/models.py", line 745, in generate
    for chunk in self.raw.stream(chunk_size, decode_content=True):
  File "/usr/lib/python3.6/site-packages/urllib3/response.py", line 436, in stream
    data = self.read(amt=amt, decode_content=decode_content)
  File "/usr/lib/python3.6/site-packages/urllib3/response.py", line 384, in read
    data = self._fp.read(amt)
  File "/usr/lib/python3.6/http/client.py", line 449, in read
    n = self.readinto(b)
  File "/usr/lib/python3.6/http/client.py", line 497, in readinto
    self._close_conn()
  File "/usr/lib/python3.6/http/client.py", line 403, in _close_conn
    fp.close()
AttributeError: 'NoneType' object has no attribute 'close'```