YoutubeDL.exe does not work when special characters are in path

[CoelacanthsKill]

My username in Windows 7 is literally an infinite sign (∞), and YoutubeDL.exe does not work when trying to run it with a "special character" in the path.

C:\Users\∞\Downloads>youtube-dl.exe https://www.youtube.com/watch?v=eQWka7VvUrw
Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\py2exe\boot_common.py", line 92, in <modul
e>
ImportError: No module named linecache
Traceback (most recent call last):
  File "<install zipextimporter>", line 1, in <module>
ImportError: No module named zipextimporter
Traceback (most recent call last):
  File "__main__.py", line 2, in <module>
ImportError: No module named __future__

But from a "normal" path, it works perfectly fine.

[dstftw]

Duplicate of #2919.