Traceback (most recent call last):

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gevent/pywsgi.py", line 438, in handle_one_response
self.run_application()

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gevent/pywsgi.py", line 424, in run_application
self.result = self.application(self.environ, self.start_response)

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/werkzeug/wsgi.py", line 579, in **call**
return self.app(environ, start_response)

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1836, in **call**
return self.wsgi_app(environ, start_response)

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()

 "/usr/local/Cellar/python/2.7.6/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)

 "/Users/davbuchm/src/ttvm/resourceregistry/src/eve/eve/endpoints.py", line 91, in item_endpoint
response = getitem(resource, *_lookup)

 "/Users/davbuchm/src/ttvm/resourceregistry/src/eve/eve/methods/common.py", line 226, in rate_limited
return f(_args, *_kwargs)

 "/Users/davbuchm/src/ttvm/resourceregistry/src/eve/eve/auth.py", line 45, in decorated
return f(_args, *_kwargs)

 "/Users/davbuchm/src/ttvm/resourceregistry/src/eve/eve/methods/common.py", line 419, in decorated
r = f(_args, **kwargs)

 "/Users/davbuchm/src/ttvm/resourceregistry/src/eve/eve/methods/get.py", line 219, in getitem
return response, last_modified, document[config.ETAG], 304KeyError: '_etag'
Traceback (most recent call last):


 "gallery_dl\job.py", line 67, in run


 "gallery_dl\extractor\common.py", line 395, in items


 "gallery_dl\extractor\hentainexus.py", line 62, in images
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'