[GitHub] [airflow] uranusjr commented on a diff in pull request #24486: WIP: Lazy import and do less at import time

[GitBox <gi...@apache.org>]

uranusjr commented on code in PR #24486:
URL: https://github.com/apache/airflow/pull/24486#discussion_r963423076


##########
airflow/serialization/json_schema.py:
##########
@@ -19,14 +19,15 @@
 """jsonschema for validating serialized DAG and operator."""
 
 import pkgutil
-from typing import Iterable
-
-import jsonschema
+from typing import TYPE_CHECKING, Iterable
 
 from airflow.exceptions import AirflowException
 from airflow.settings import json
 from airflow.typing_compat import Protocol
 
+if TYPE_CHECKING:
+    import jsonschema

Review Comment:
   Does this change much?



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