[downloader/external] Simplify source_address
authorPhilipp Hagemeister <phihag@phihag.de>
Mon, 2 Feb 2015 19:33:23 +0000 (20:33 +0100)
committerPhilipp Hagemeister <phihag@phihag.de>
Mon, 2 Feb 2015 19:33:25 +0000 (20:33 +0100)
commitcc9ca3ba6e0ba24b318ef191fdf84927e773008d
treeb2c93bf3dfcbcb918498d6172b52ba4ec791469a
parentea71034bd3965de8ff7239516776296e2c9857c3
[downloader/external] Simplify source_address

'' might actually be passed in, so check for None.
youtube_dl/downloader/external.py