aiohttp is not compatible with Python 2.7, but it's installed with "python setup.py install". If aiohttp is only for Python >= 3.4, it shouldn't be installed with install command.
Error:
  File "/usr/lib/python2.7/dist-packages/motor/aiohttp.py", line 120
    raise aiohttp.web.HTTPInternalServerError(text=msg) from None
- is related to
 - 
                    
MOTOR-99 Unclean import of Motor 0.5.0 from buildout on 2.7
-         
 - Closed
 
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