Add profiling for celery tasks

src/pretix/base/services/export.py

@@ -4,11 +4,12 @@ from django.core.files.base import ContentFile
 
 from pretix.base.i18n import language
 from pretix.base.models import CachedFile, Event, cachedfile_name
+from pretix.base.services.async import ProfiledTask
 from pretix.base.signals import register_data_exporters
 from pretix.celery import app
 
 
-@app.task()
+@app.task(base=ProfiledTask)
 def export(event: str, fileid: str, provider: str, form_data: Dict[str, Any]) -> None:
     event = Event.objects.get(id=event)
     file = CachedFile.objects.get(id=fileid)