Collecting youtube_dl==2014.04.21.4
Downloading youtube_dl-2014.04.21.4-py2.py3-none-any.whl (479kB)
Saved /tmp/tmp0ylas3ir/youtube_dl-2014.04.21.4-py2.py3-none-any.whl
Skipping youtube-dl, due to already being wheel.