Traceback (most recent call last):


 "/usr/lib/python3.8/site-packages/ranger/core/main.py", line 203, in main

fm.loop()


 "/usr/lib/python3.8/site-packages/ranger/core/fm.py", line 383, in loop

ui.handle_input()


 "/usr/lib/python3.8/site-packages/ranger/gui/ui.py", line 276, in handle_input

self.handle_key(key)


 "/usr/lib/python3.8/site-packages/ranger/gui/ui.py", line 206, in handle_key

elif not DisplayableContainer.press(self, key):


 "/usr/lib/python3.8/site-packages/ranger/gui/displayable.py", line 275, in press

focused_obj.press(key)


 "/usr/lib/python3.8/site-packages/ranger/gui/widgets/console.py", line 188, in press

self.type_key(key)


 "/usr/lib/python3.8/site-packages/ranger/gui/widgets/console.py", line 214, in type_key

self._answer_question(answer)


 "/usr/lib/python3.8/site-packages/ranger/gui/widgets/console.py", line 197, in _answer_question

callback(answer)


 "/usr/lib/python3.8/site-packages/ranger/config/commands.py", line 1257, in callback

self.fm.display_help()


 "/usr/lib/python3.8/site-packages/ranger/core/actions.py", line 1006, in display_help

if process.poll() == 16:
AttributeError: 'NoneType' object has no attribute 'poll'

Traceback (most recent call last):


 "/root/synapse/local/lib/python2.7/site-packages/twisted/internet/defer.py", line 1384, in _inlineCallbacks

result = result.throwExceptionIntoGenerator(g)


 "/root/synapse/local/lib/python2.7/site-packages/twisted/python/failure.py", line 408, in throwExceptionIntoGenerator

return g.throw(self.type, self.value, self.tb)


 "/root/synapse/local/lib/python2.7/site-packages/synapse/http/server.py", line 131, in wrapped_request_handler

version_string=self.version_string,


 "/root/synapse/local/lib/python2.7/site-packages/synapse/http/server.py", line 374, in respond_with_json

version_string=version_string


 "/root/synapse/local/lib/python2.7/site-packages/synapse/http/server.py", line 399, in respond_with_json_bytes

request.write(json_bytes)


 "/root/synapse/local/lib/python2.7/site-packages/twisted/web/server.py", line 234, in write

http.Request.write(self, data)


 "/root/synapse/local/lib/python2.7/site-packages/twisted/web/http.py", line 1069, in write

self.channel.writeHeaders(version, code, reason, headers)
AttributeError: 'NoneType' object has no attribute 'writeHeaders'
