Traceback (most recent call last):


 "c:\users\derya\appdata\local\programs\python\python37\lib\site-packages\pafy\backend_youtube_dl.py", line 38, in _fetch_basic

self._ydl_info = ydl.extract_info(self.videoid, download=False)


 "c:\users\derya\appdata\local\programs\python\python37\lib\site-packages\youtube_dl\YoutubeDL.py", line 816, in extract_info

self.report_error(compat_str(e), e.format_traceback())


 "c:\users\derya\appdata\local\programs\python\python37\lib\site-packages\youtube_dl\YoutubeDL.py", line 621, in report_error

self.trouble(error_message, tb)


 "c:\users\derya\appdata\local\programs\python\python37\lib\site-packages\youtube_dl\YoutubeDL.py", line 591, in trouble

raise DownloadError(message, exc_info)
youtube_dl.utils.DownloadError: ERROR: Signature extraction failed: Traceback (most recent call last):

Traceback (most recent call last):


 "d.py", line 158, in <module>

main()


 "d.py", line 148, in main

train(args, model, device, federated_train_loader, optimizer, epoch)


 "d.py", line 50, in train

optimizer.step()


 "C:\Anaconda3\envs\pysyft\lib\site-packages\torch\optim\lr_scheduler.py", line 66, in wrapper

return wrapped(*args, **kwargs)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\torch\optim\adadelta.py", line 72, in step

square_avg.mul_(rho).addcmul_(1 - rho, grad, grad)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\generic\frameworks\hook\hook.py", line 466, in overloaded_native_method

response = method(*new_args, **new_kwargs)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\generic\frameworks\hook\hook.py", line 628, in overloaded_pointer_method

response = owner.send_command(location, command)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\base.py", line 638, in send_command

ret_val = self.send_msg(message, location=recipient)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\base.py", line 290, in send_msg

bin_response = self._send_msg(bin_message, location)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\virtual.py", line 15, in _send_msg

return location._recv_msg(message)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\virtual.py", line 19, in _recv_msg

return self.recv_msg(message)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\base.py", line 327, in recv_msg

response = self._message_router[type(msg)](msg)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\base.py", line 469, in execute_tensor_command

return self.execute_computation_action(cmd.action)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\workers\base.py", line 507, in execute_computation_action

getattr(_self, op_name)(*args_, **kwargs_)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\generic\frameworks\hook\hook.py", line 427, in overloaded_native_method

raise route_method_exception(e, self, args, kwargs)


 "C:\Anaconda3\envs\pysyft\lib\site-packages\syft\generic\frameworks\hook\hook.py", line 423, in overloaded_native_method

response = method(*args, **kwargs)
TypeError: addcmul_() takes 2 positional arguments but 3 were given
