Fix typing

Author: moznuy

aredis_om/model/migrations/migrator.py

@@ -50,7 +50,8 @@ async def create_index(redis: redis_module.Redis, index_name, schema, current_ha
         await redis.execute_command(f"ft.info {index_name}")
     except redis_module.ResponseError:
         await redis.execute_command(f"ft.create {index_name} {schema}")
-        await redis.set(schema_hash_key(index_name), current_hash)
+        # TODO: remove type: ignore
+        await redis.set(schema_hash_key(index_name), current_hash)  # type: ignore
     else:
         log.info("Index already exists, skipping. Index hash: %s", index_name)