Fixed #11353 -- `GeometryProxy` descriptor no longer chokes when accessed from a class rather than an instance, thanks yml and Tobu; removed unnecessary imports from `types` and cleaned up whitespace.
Fixed #11353 -- `GeometryProxy` descriptor no longer chokes when accessed from a class rather than an instance, thanks yml and Tobu; removed unnecessary imports from `types` and cleaned up whitespace.


git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@12584 bcc190cf-cafb-0310-a4f2-bffc1f526a37

aparo/django-nonrel,FlaPer87/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel