Traceback (most recent call last):


 "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main

"__main__", fname, loader, pkg_name)


 "/usr/lib/python2.7/runpy.py", line 72, in _run_code

exec code in run_globals


 "/usr/local/bin/youtube-dl/__main__.py", line 19, in <module>


 "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 474, in main


 "/usr/local/bin/youtube-dl/youtube_dl/__init__.py", line 464, in _real_main


 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 2018, in download


 "/usr/local/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 796, in extract_info


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/common.py", line 530, in extract


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/shared.py", line 26, in _real_extract


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/shared.py", line 120, in _extract_video_url


 "/usr/local/bin/youtube-dl/youtube_dl/extractor/shared.py", line 116, in decode_url


 "/usr/local/bin/youtube-dl/youtube_dl/compat.py", line 2947, in compat_b64decode


 "/usr/lib/python2.7/base64.py", line 75, in b64decode

return binascii.a2b_base64(s)
TypeError: a2b_base64() argument 1 must be string or buffer, not None

Traceback (most recent call last):


 "examples/melgan/train_melgan.py", line 628, in <module>

main()


 "examples/melgan/train_melgan.py", line 608, in main

gen_optimizer=tf.keras.optimizers.Adam(**config["generator_optimizer_params"]),


 "anaconda3/lib/python3.7/site-packages/tensorflow/python/keras/optimizer_v2/adam.py", line 144, in __init__

super(Adam, self).__init__(name, **kwargs)


 "anaconda3/lib/python3.7/site-packages/tensorflow/python/keras/optimizer_v2/optimizer_v2.py", line 269, in __init__

"passed to optimizer: " + str(k))
TypeError: Unexpected keyword argument passed to optimizer: lr_fn