remove required, run hooks

district/blocks.py

@@ -39,6 +39,7 @@ class FullscreenHeaderBlock(StructBlock):
     desktop_image = ImageChooserBlock(
         label="Obrázek na pozadí (desktop)",
         help_text="Pokud není vybráno video, ukáže se na desktopu.",
+        required=False,
     )
 
     mobile_image = ImageChooserBlock(

redmine_utils/management/commands/update_redmine_issues.py

 from django.core.management.base import BaseCommand
 
 
-
 class Command(BaseCommand):
     def handle(self, *args, **options):
         """

shared_legacy/blocks/__init__.py

 from .base import *  # noqa
-from .main import *  # noqa
+from .main import *  # noqa
\ No newline at end of file