Log Message:
py-fakefs: updated to 5.3.5

Version 5.3.5

Fixes a regression.

Fixes
* Fixes a regression due to the changed behavior of the dynamic patcher cleanup
  The change is now by default only made if the `django` module is loaded, and \ 
the behavior can
  be changed using the new argument `module_cleanup_mode`.

Packaging
* include `tox.ini` and a few more files into the source distribution