Pass str/bytes instead of unicode/str to urllib.quote
Pass str/bytes instead of unicode/str to urllib.quote

On Python 2, passing unicode as the second argument to urllib.quote is a very bad idea - http://bugs.python.org/issue23885

On Python 3, both b'' and '' are fine.
Knotis/django-oauth-toolkit,CloudNcodeInc/django-oauth-toolkit,drgarcia1986/django-oauth-toolkit,StepicOrg/django-oauth-toolkit,bleib1dj/django-oauth-toolkit,mjrulesamrat/django-oauth-toolkit,Gr1N/django-oauth-toolkit,DeskConnect/django-oauth-toolkit,StepicOrg/django-oauth-toolkit,bleib1dj/django-oauth-toolkit,jensadne/django-oauth-toolkit,lzen/django-oauth-toolkit,andrefsp/django-oauth-toolkit,cheif/django-oauth-toolkit,lzen/django-oauth-toolkit,Knotis/django-oauth-toolkit,jensadne/django-oauth-toolkit,Gr1N/django-oauth-toolkit,mjrulesamrat/django-oauth-toolkit,cheif/django-oauth-toolkit,JensTimmerman/django-oauth-toolkit,DeskConnect/django-oauth-toolkit,CloudNcodeInc/django-oauth-toolkit,andrefsp/django-oauth-toolkit,trbs/django-oauth-toolkit,JensTimmerman/django-oauth-toolkit,drgarcia1986/django-oauth-toolkit,trbs/django-oauth-toolkit