Collecting youtube_dl==2014.12.16.1
Downloading youtube_dl-2014.12.16.1-py2.py3-none-any.whl (732kB)
Saved /tmp/tmpf4f1sow4/youtube_dl-2014.12.16.1-py2.py3-none-any.whl
Skipping youtube-dl, due to already being wheel.