Traceback (most recent call last):


 "/home/mpreuss/.local/bin/pipenv", line 11, in <module>

sys.exit(cli())


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 722, in __call__

return self.main(*args, **kwargs)


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 697, in main

rv = self.invoke(ctx)


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 1066, in invoke

return _process_result(sub_ctx.command.invoke(sub_ctx))


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 895, in invoke

return ctx.invoke(self.callback, **ctx.params)


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/vendor/click/core.py", line 535, in invoke

return callback(*args, **kwargs)


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/cli.py", line 1507, in uninstall

in_dev_packages = (norm_name in project._pipfile.get('dev-packages', {}))


 "/home/mpreuss/.local/venvs/pipenv/lib/python3.6/site-packages/pipenv/project.py", line 188, in _pipfile

p_section[norm_key] = p_section.pop(key)
AttributeError: 'CascadeDict' object has no attribute 'pop'

Traceback (most recent call last):


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/_cprequest.py", line 638, in respond

self._do_respond(path_info)


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/_cprequest.py", line 688, in _do_respond

self.hooks.run('before_request_body')


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/_cprequest.py", line 95, in run

self.run_hooks(iter(sorted(self[point])))


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/_cprequest.py", line 117, in run_hooks

hook()


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/_cprequest.py", line 65, in __call__

return self.callback(**self.kwargs)


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/lib/sessions.py", line 834, in init

set_response_cookie(path=path, path_header=path_header, name=name,


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/lib/sessions.py", line 875, in set_response_cookie

cherrypy.serving.request.headers.get(path_header) or


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/lib/httputil.py", line 425, in get

key = self.transform_key(key)


 "/Users/jaraco/code/public/cherrypy/cherrypy/cherrypy/lib/httputil.py", line 460, in transform_key

return key.title()
AttributeError: 'NoneType' object has no attribute 'title'
