no start task for upload to s3 if not video id

apps/core/tasks.py

@@ -15,6 +15,9 @@ log = logging.getLogger('send_video_to_s3')
 
 @app.task()
 def send_video_to_s3(video_id=None):
+    if not video_id:
+        return
+    
     log.info(f'Uploading video id {video_id} to S3...')
     local_video = Video.objects.get(id=video_id)