shahar1 commented on code in PR #51479:
URL: https://github.com/apache/airflow/pull/51479#discussion_r2132323293


##########
providers/standard/src/airflow/providers/standard/sensors/external_task.py:
##########
@@ -260,12 +260,13 @@ def __init__(
 
     def _get_dttm_filter(self, context):
         logical_date = context.get("logical_date")
-        if logical_date is None:
-            dag_run = context.get("dag_run")
-            if TYPE_CHECKING:
-                assert dag_run
+        if AIRFLOW_V_3_0_PLUS:
+            if logical_date is None:
+                dag_run = context.get("dag_run")
+                if TYPE_CHECKING:
+                    assert dag_run
 
-            logical_date = dag_run.run_after
+                logical_date = dag_run.run_after

Review Comment:
   @kaxil @gopidesupavan This change was introduced in #48819.
   The `run_after` parameter does not exist in Airflow v2, so it failed the 
added unit test that runs with this version (i.e., it would probably won't run 
at all in v2).
   To fix it, I patched this function to ignore this `if` in v2 - effectively 
making it as the [original 
method](https://github.com/apache/airflow/blob/c16ad9846195adb0da181682813c44dbade55d47/airflow/sensors/external_task.py#L239).
   I'd be happy for your review to see if it makes sense, thanks! 



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