Log Message:
py-django2: updated to 2.1.2

Django 2.1.2:
CVE-2018-16984: Password hash disclosure to “view only” admin users
Fixed a regression where nonexistent joins in F() no longer raised FieldError
Fixed a regression where files starting with a tilde or underscore weren’t \ 
ignored by the migrations loader
Made migrations detect changes to Meta.default_related_name
Added compatibility for cx_Oracle 7
Fixed a regression in Django 2.0 where unique index names weren’t quoted
Fixed a regression where sliced queries with multiple columns with the same name \ 
crashed on Oracle 12.1
Fixed a crash when a user with the view (but not change) permission made a POST \ 
request to an admin user change form