The GitHub Actions job "Tests" on airflow.git has failed.
Run started by GitHub user ephraimbuddy (triggered by ephraimbuddy).

Head commit for run:
7bbb14a12c45ea727596d48cd27b7239aadcefbf / Ash Berlin-Taylor <[email protected]>
Fix exception in mini task scheduler. (#24865)

I introduced a bug in 2.3.0 as part of the dynamic task mapping work
that frequently made the mini scheduler fail for tasks involving
XComArgs.

The fix is to alter the logic in BaseOperator's deepcopy to not set the
`__instantiated` flag until all the other attributes are copied.

For background the `__instantiated` flag is use so that when you do
`task.some_attr = an_xcom_arg` the relationships are set appropriately,
but since we are copying all the existing attributes we don't need to do
that, as the relationships will already be set!

(cherry picked from commit c23b31cd786760da8a8e39ecbcf2c0d31e50e594)

Report URL: https://github.com/apache/airflow/actions/runs/2622221292

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