fix path to manage.py

Author: jdkent

compose/backend/manage.py

@@ -14,7 +14,7 @@
 from neurosynth_compose.database import db
 from neurosynth_compose import models
 from neurosynth_compose.ingest import neurostore as ingest_nstore
-from neurosynth_compose.backfill_extraction_metadata import (
+from compose.backend.neurosynth_compose.scripts.backfill_extraction_metadata import (
     add_missing_extraction_ids,
 )