Add patch to not check for cache file existence if name is None (Closes: #950070).

debian/changelog

@@ -6,6 +6,8 @@ python-django-imagekit (4.0.2-3) UNRELEASED; urgency=medium
 
   [ Michael Fladischer ]
   * Refresh patches.
+  * Add patch to not check for cache file existence if name is None
+    (Closes: #950070).
 
  -- Ondřej Nový <onovy@debian.org>  Mon, 27 Aug 2018 15:07:55 +0200
 

debian/patches/0004-Do-not-check-for-existence-if-name-is-None-Closes-95.patch

+From: Michael Fladischer <FladischerMichael@fladi.at>
+Date: Sun, 23 Feb 2020 16:18:07 +0100
+Subject: Do not check for existence if name is None (Closes: #950070).
+
+---
+ imagekit/cachefiles/backends.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/imagekit/cachefiles/backends.py b/imagekit/cachefiles/backends.py
+index e006dc8..2ab4024 100644
+--- a/imagekit/cachefiles/backends.py
++++ b/imagekit/cachefiles/backends.py
+@@ -110,7 +110,7 @@ class Simple(CachedFileBackend):
+ 
+     def _exists(self, file):
+         return bool(getattr(file, '_file', None)
+-                    or file.storage.exists(file.name))
++                    or (file.name and file.storage.exists(file.name)))
+ 
+ 
+ def _generate_file(backend, file, force=False):

debian/patches/series

 0001-Replace-execfile-call-with-Python3-compatible-versio.patch
 0002-Disable-usage-of-nose-progressive-as-it-has-not-been.patch
 0003-Disable-build-status-image-to-prevent-privacy-breach.patch
+0004-Do-not-check-for-existence-if-name-is-None-Closes-95.patch