Log Message:
py-django: updated to 1.11.9

Bugfixes:
Fixed a regression in Django 1.11 that added newlines between MultiWidget’s \ 
subwidgets.
Fixed incorrect class-based model index name generation for models with quoted \ 
db_table.
Fixed incorrect foreign key constraint name for models with quoted db_table.
Fixed a regression in caching of a GenericForeignKey when the referenced model \ 
instance uses more than one level of multi-table inheritance.