uranusjr commented on issue #19040:
URL: https://github.com/apache/airflow/issues/19040#issuecomment-946407561
> that is if the default changed from 3.6 to 3.8?
It did not, but even if it did there shouldn't be a problem. What seems to
have happened is the other way around: The _2.1_
uranusjr commented on issue #19040:
URL: https://github.com/apache/airflow/issues/19040#issuecomment-945862008
Pickle protocol 5 is only implemented in Python 3.8+ and didn't exist when
3.6 was released, so it's pretty impossible it could be produced if the Python
version never changed, as