ephraimbuddy opened a new pull request #18499:
URL: https://github.com/apache/airflow/pull/18499


   Fix DetachedInstanceError when dag_run attrs are accessed from ti
       
   Loading a taskinstance doesn't load the corresponding dag_run with
   the effect that when the dag_run attr is accessed from the ti it gives
   a DetachedInstanceError, dag_run is not bound to a session.
       
   This PR fixes it by making an extra query to get the dagrun using the
   relationship between the two objects
   
   cc: @ash @uranusjr 
   I think with this, we can also get rid of `ti.get_dagrun` method?
   
   
   ---
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