Don't utf8 encode urls.

This is not needed since already done by requests.

(and it was buggy with py3).

Change-Id: I9505c56be2f53eb8071aea3d5fb9d8caa9508e34
Removed a duplicate word in a dostring

Change-Id: I38e41a7ce9f91b5b1785491c6cd10dbbba9562a2