fix Django 5.1 error, test in Django 5.1

Author: PetrDlouhy

.github/workflows/test.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         python-version: ['3.8', '3.9', '3.10', '3.11']
-        django-version: ['3.2', '4.1', '4.2']
+        django-version: ['3.2', '4.1', '4.2', '5.0', '5.1.*']
         exclude:
           - python-version: 3.11
             django-version: 3.2
@@ -23,7 +23,7 @@ jobs:
         run: |
           pip install -r requirements.txt
           pip install -r tests/requirements.txt
-          pip install "Django~=${{ matrix.django-version }}.0" .
+          pip install "Django~=${{ matrix.django-version }}" .
       - name: Run Tests
         run: |
           echo "$(python --version) / Django $(django-admin --version)"

avatar/conf.py

@@ -24,7 +24,8 @@ class AvatarConf(AppConf):
     ALLOWED_FILE_EXTS = None
     ALLOWED_MIMETYPES = None
     CACHE_TIMEOUT = 60 * 60
-    STORAGE = settings.DEFAULT_FILE_STORAGE
+    if hasattr(settings, "DEFAULT_FILE_STORAGE"):
+        STORAGE = settings.DEFAULT_FILE_STORAGE
     STORAGE_ALIAS = "default"
     CLEANUP_DELETED = True
     AUTO_GENERATE_SIZES = (DEFAULT_SIZE,)