Fixes #9353 (#9354)

Follow [Twitter's guidance](https://dev.twitter.com/rest/reference/post/media/upload-finalize) for media uploads: "If and (only if) the response of the FINALIZE command contains a processing_info field, it may also be necessary to use a STATUS command and wait for it to return success before proceeding to Tweet creation."

homeassistant/components/notify/twitter.py

@@ -116,6 +116,9 @@ class TwitterNotificationService(BaseNotificationService):
                 self.log_error_resp(resp)
                 return None
 
+            if resp.json().get('processing_info') is None:
+                return callback(media_id)
+
             self.check_status_until_done(media_id, callback)
 
     def media_info(self, media_path):