Collecting youtube_dl==2014.04.21.2
Downloading youtube_dl-2014.04.21.2-py2.py3-none-any.whl (476kB)
Saved /tmp/tmpeuzwnow_/youtube_dl-2014.04.21.2-py2.py3-none-any.whl
Skipping youtube-dl, due to already being wheel.