Traceback (most recent call last):


 "/usr/local/lib/python3.5/site-packages/youtube_dl/YoutubeDL.py", line 673, in extract_info

ie_result = ie.extract(url)


 "/usr/local/lib/python3.5/site-packages/youtube_dl/extractor/common.py", line 341, in extract

return self._real_extract(url)


 "/usr/local/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 1568, in _real_extract

encrypted_sig, video_id, player_url, age_gate)


 "/usr/local/lib/python3.5/site-packages/youtube_dl/extractor/youtube.py", line 1005, in _decrypt_signature

'Signature extraction failed: ' + tb, cause=e)
youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):

Traceback (most recent call last):


 "train.py", line 214, in <module>

save_dirname="understand_sentiment_conv.inference.model")


 "train.py", line 188, in main

save_dirname=save_dirname)


 "train.py", line 173, in train

train_loop(fluid.default_main_program())


 "train.py", line 137, in train_loop

exe.run(fluid.default_startup_program())


 "/usr/local/lib/python2.7/dist-packages/paddle/fluid/executor.py", line 336, in run

self.executor.run(program.desc, scope, 0, True, True)
RuntimeError: function_attributes(): after cudaFuncGetAttributes: invalid device function
