BUGFIX: correct import order

from urllib.parse import quote_from_bytes, unquote_to_bytes is the python 3
version, while from urllib import quote as quote_from_bytes, unquote as
unquote_to_bytes is the python 2 version -- not the other way around.

Change-Id: Id3b61995e9685d87255fbce374a4118c372ddc2b