Collecting youtube_dl==2015.02.23.1
Downloading youtube_dl-2015.02.23.1-py2.py3-none-any.whl (840kB)
Saved /tmp/tmpaj88es4q/youtube_dl-2015.02.23.1-py2.py3-none-any.whl
Skipping youtube-dl, due to already being wheel.