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):
