[postprocessor/ffmpeg] Fix metadata filename handling on Python 2
authorYen Chi Hsuan <yan12125@gmail.com>
Thu, 25 May 2017 14:04:12 +0000 (22:04 +0800)
committerYen Chi Hsuan <yan12125@gmail.com>
Thu, 25 May 2017 14:07:03 +0000 (22:07 +0800)
commit5192ee17e79ec103abf1e5a06faa0b0019ab00f2
tree11df635003de525d23f5dce29afcdc680aca4169
parente834f04400ba419b842743224510ca8abaf933c8
[postprocessor/ffmpeg] Fix metadata filename handling on Python 2

Fixes #13182
ChangeLog
youtube_dl/postprocessor/ffmpeg.py