not downloading

[anshulgupta5102002]

C:\Users\piyush\Desktop\start day\narrowvine-reborn-master\narrowvine-reborn-master>narrowvine_reborn.py -mpd https://d1z78r8i505acl.cloudfront.net/media/iekblUlcv9Kld/f71413cb/stream.mpd -lic https://license.vdocipher.com/auth/wv/:eyJvdHAiOiIyMDE2MDMxM3ZlcnNBU0UzMjNqdUtDZDVSeHFmRFFQWDk0cG5uZml0TWoyZ285U1RaUFV5bHNHdnZoenFKOTdFIiwicGxheWJhY2tJbmZvIjoiZXlKMmFXUmxiMGxrSWpvaU56WmxPR1V4WlRrMU5tSTVORE0yTlRobVlXRXhOemxoWldZMk5XWTRORFlpZlE9PSIsImhyZWYiOiJodHRwczovL3d3dy5zdHVkeWlxLmNvbS92aWRlby1wYWdlIiwidGVjaCI6Ind2IiwibGljZW5zZVJlcXVlc3QiOiJDQVE9In0= -o OUTPUT -f sep.mp4

**** NARROWVINE-REBORN by vank0n ****

[info] Entering Download Section

[info] Downloading Encrypted Video from CDN.. [generic] stream: Requesting header [generic] stream: Downloading webpage [generic] stream: Extracting information [info] stream: Downloading 1 format(s): 3 [download] C:\Users\piyush\Desktop\start day\narrowvine-reborn-master\narrowvine-reborn-master\cache\encrypted_video.mp4 has already been downloaded [download] 100% of 52.96MiB [info] Downloading Encrypted Audio from CDN.. [generic] stream: Requesting header [generic] stream: Downloading webpage [generic] stream: Extracting information [info] stream: Downloading 1 format(s): 1 [download] C:\Users\piyush\Desktop\start day\narrowvine-reborn-master\narrowvine-reborn-master\cache\encrypted_audio.m4a has already been downloaded [download] 100% of 18.06MiB [info] Attempting Widevine challenge... [info] Getting Keys... unable to parse license - check protobufs [info] Found Key! Traceback (most recent call last): File "C:\Users\piyush\Desktop\start day\narrowvine-reborn-master\narrowvine-reborn-master\narrowvine_reborn.py", line 245, in print ("[info] Decrypting Audio Using KEY: " + keysOnly(KEYS)) File "C:\Users\piyush\Desktop\start day\narrowvine-reborn-master\narrowvine-reborn-master\narrowvine_reborn.py", line 176, in keysOnly return key UnboundLocalError: local variable 'key' referenced before assignment

[astravaganza]

unable to parse license - check protobufs

this is the problem