Merge branch 'develop'

app/apps/imports/parsers.py

@@ -145,7 +145,7 @@ class ZipParser(ParserDocument):
                     try:
                         file_extension = os.path.splitext(zipedfh.name)[1][1:]
                         # image
-                        if file_extension in get_available_image_extensions():
+                        if file_extension.lower() in get_available_image_extensions():
                             try:
                                 part = DocumentPart.objects.filter(
                                     document=self.document,

app/requirements.txt

@@ -12,7 +12,7 @@ django-redis==4.10.0
 psycopg2-binary==2.7.6
 django-ordered-model==3.1.1
 easy-thumbnails==2.5
-git+https://github.com/mittagessen/kraken.git@3.0b20#egg=kraken
+git+https://github.com/mittagessen/kraken.git@3.0b21#egg=kraken
 django-cleanup==5.1.0
 djangorestframework==3.9.2
 drf-nested-routers==0.91