Add default_auto_field to app config

setup.py

@@ -10,7 +10,7 @@ from setuptools import find_packages, setup  # noqa: E4
 
 setup(
     name="wagtailvideos",
-    version="5.2.0",
+    version="5.2.1",
     description="A wagtail module for uploading and displaying videos in various codecs.",
     long_description=readme,
     author="Neon Jungle",

wagtailvideos/apps.py

@@ -7,25 +7,27 @@ from wagtailvideos import ffmpeg
 
 def ffmpeg_check(app_configs, **kwargs):
     messages = []
-    if (
-        not ffmpeg.installed() and not getattr(settings, 'WAGTAIL_VIDEOS_DISABLE_TRANSCODE', False)
+    if not ffmpeg.installed() and not getattr(
+        settings, "WAGTAIL_VIDEOS_DISABLE_TRANSCODE", False
     ):
         messages.append(
             Warning(
-                'ffmpeg could not be found on your system. Transcoding will be disabled',
+                "ffmpeg could not be found on your system. Transcoding will be disabled",
                 hint=None,
-                id='wagtailvideos.W001',
+                id="wagtailvideos.W001",
             )
         )
     return messages
 
 
 class WagtailVideosApp(AppConfig):
-    name = 'wagtailvideos'
-    label = 'wagtailvideos'
-    verbose_name = 'Wagtail Videos'
+    name = "wagtailvideos"
+    label = "wagtailvideos"
+    verbose_name = "Wagtail Videos"
+    default_auto_field = "django.db.models.AutoField"
 
     def ready(self):
         from wagtailvideos.signals import register_signal_handlers
+
         register_signal_handlers()
         register(ffmpeg_check)