WARNING: Automatic signature extraction failed: Traceback (most recent call last):

 "youtube_dl\extractor\youtube.pyo", line 872, in _decrypt_signature

 "youtube_dl\extractor\youtube.pyo", line 361, in _extract_signature_function

 "ntpath.pyo", line 108, in joinUnicodeDecodeError: 'ascii' codec can't decode byte 0xc0 in position 9: ordinal not in range(128)
Traceback (most recent call last):

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/billiard/process.py", line 292, in _bootstrap
self.run()

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/billiard/pool.py", line 285, in run
self.after_fork()

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/billiard/pool.py", line 388, in after_fork
self.initializer(*self.initargs)

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/celery/concurrency/prefork.py", line 81, in process_initializer
app=app)

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/celery/app/trace.py", line 161, in build_tracer
backend = task.backend

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/celery/app/task.py", line 911, in backend
return self.app.backend

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/kombu/utils/__init__.py", line 309, in __get__
value = obj.__dict__[self.__name__] = self.__get(obj)

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/celery/app/base.py", line 605, in backend
return self._get_backend()

 "/home/tobias/code/python/env_edi_analyzer/local/lib/python2.7/site-packages/celery/app/base.py", line 421, in _get_backend
return backend(app=self, url=url)TypeError: 'tuple' object is not callable