Collecting youtube_dl==2014.12.12.1
Downloading youtube_dl-2014.12.12.1-py2.py3-none-any.whl (723kB)
Saved /tmp/tmpa3wtlqtr/youtube_dl-2014.12.12.1-py2.py3-none-any.whl
Skipping youtube-dl, due to already being wheel.