Log Message:
py-django2: updated to 2.1.5

Django 2.1.5 fixes a security issue and several bugs in 2.1.4.

CVE-2019-3498: Content spoofing possibility in the default 404 page

Bugfixes:
Fixed compatibility with mysqlclient 1.3.14.
Fixed a schema corruption issue on SQLite 3.26+. You might have to drop and \ 
rebuild your SQLite database if you applied a migration while using an older \ 
version of Django with SQLite 3.26 or later.
Prevented SQLite schema alterations while foreign key checks are enabled to \ 
avoid the possibility of schema corruption.
Fixed a regression in Django 2.1.4 (which enabled keep-alive connections) where \ 
request body data isn’t properly consumed for such connections.
Fixed a regression in Django 2.1.4 where \ 
InlineModelAdmin.has_change_permission() is incorrectly called with a non-None \ 
obj argument during an object add