Revert "Add Support Python3.6"
Revert "Add Support Python3.6"

This reverts commit 571dae2da75853c74b19c0cab4a6d09a7f0d2c5a.

khchine5/django-shop,divio/django-shop,awesto/django-shop,divio/django-shop,divio/django-shop,khchine5/django-shop,awesto/django-shop,nimbis/django-shop,khchine5/django-shop,nimbis/django-shop,nimbis/django-shop,khchine5/django-shop,nimbis/django-shop,awesto/django-shop