Tweak/fix migration

migrations.py

@@ -5,12 +5,12 @@ from urllib.parse import urlparse
 
 from little_boxes import activitypub as ap
 
+import activitypub
+from config import ID
 from utils.migrations import DB
 from utils.migrations import Migration
 from utils.migrations import logger
 from utils.migrations import perform  # noqa:  just here for export
-from config import ID
-import activitypub
 
 back = activitypub.MicroblogPubBackend()
 ap.use_backend(back)
@@ -119,6 +119,7 @@ class _2_FollowMigration(Migration):
     def migrate(self) -> None:
         actor_cache: Dict[str, Dict[str, Any]] = {}
         for data in DB.activities.find({"type": ap.ActivityType.FOLLOW.value}):
+            try:
                 if data["meta"]["actor_id"] == ID:
                     # It's a "following"
                     actor = actor_cache.get(data["meta"]["object_id"])
@@ -150,3 +151,5 @@ class _2_FollowMigration(Migration):
                     DB.activities.update_one(
                         {"_id": data["_id"]}, {"$set": {"meta.actor": actor}}
                     )
+            except Exception:
+                logger.exception("failed to process actor {data!r}")