potiuk opened a new pull request #22145:
URL: https://github.com/apache/airflow/pull/22145
When container cannot be created in Docker Operator and
exception is raised, the on_kill method attempts to kill the
container but since it is None, it fails with another exception
```
self.cli.stop(self.container['Id'])
TypeError: 'NoneType' object is not subscriptable
```
and the original exception is swallowed.
This PR avoids stopping the container if it has not been created.
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