Update scripts/add_gen3_repo.py

Will squash.

Co-authored-by: Krzysztof Findeisen <kfindeisen@users.noreply.github.com>

scripts/add_gen3_repo.py

@@ -118,11 +118,9 @@ def _export_for_copy(dataset, repo):
         contents.saveDataIds(butler.registry.queryDataIds({"detector"}).expanded())
         contents.saveDatasets(butler.registry.queryDatasets(datasetType=..., collections=...))
         # Explicitly save the calibration collection.
-        # We filter on collection type rather than name to insulate a bit from
-        # naming convention changes.  We need to _not_ include the RUN
-        # collections here because that will export an empty collection that
-        # looks like it should contain raws, and that's enough to confuse
-        # ap_verify logic that guards against ingesting raws twice.
+        # Do _not_ include the RUN collections here because that will export
+        # an empty raws collection, which ap_verify assumes does not exist
+        # before ingest.
         for collection in butler.registry.queryCollections(..., collectionTypes={daf_butler.CollectionType.CALIBRATION}):
             contents.saveCollection(collection)