Re: [Twisted-Python] self.channel.writeHeaders(version, code, reason, headers)\nbuiltins.AttributeError: \'NoneType\' object has no attribute \'writeHeaders\'\

On Aug 4, 2019, at 8:43 PM, Waqar Khan <wk80333@gmail.com> wrote:

Just for sake of completeness: def print_json_response(resp, request): request.write(json.dumps(resp)) request.close()

Presumably this line actually says "request.finish()"? This is indeed the problem; just don't call "request.finish()" if notifyFinish() has already been callback'd. -g