util: Load required PIL module

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/backend/util.py b/src/backend/util.py
index 2a90542c39bca5e77fceee38de41740dabb7eae8..a39abd9ecae310efd4641520f3510be7dfa59b61 100644 (file)
--- a/src/backend/util.py
+++ b/src/backend/util.py
@@ -2,6 +2,7 @@
 
 import PIL.Image
 import PIL.ImageFilter
+import PIL.ImageOps
 import io
 import logging
 import random