[GitHub] [airflow] uranusjr commented on issue #19716: [Airflow 2.2.2] execution_date Proxy object - str formatting error

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

uranusjr commented on issue #19716:
URL: https://github.com/apache/airflow/issues/19716#issuecomment-974465572


   This can be worked around by implementing a proxy specific for datetime:
   
   ```pycon
   >>> from lazy_object_proxy import Proxy
   >>> class DTProxy(Proxy):
   ...  def __format__(self, spec):
   ...   return self.__wrapped__.__format__(spec)
   ...
   >>> from airflow.utils.timezone import utcnow
   >>> p = DTProxy(utcnow)
   >>> f"{p:%Y-%m-%d}"
   '2021-11-19'
   ```


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