bdsoha opened a new pull request, #66553:
URL: https://github.com/apache/airflow/pull/66553
`DockerOperator` won't construct if you pass a plain dict in `mounts`:
> AttributeError: 'dict' object has no attribute 'template_fields' and no
dict for setting new attributes
It's the loop added in #52451, it does `mount.template_fields = (...)` on
every entry, and that doesn't work on a plain dict. `docker.types.Mount` is a
dict subclass that has `__dict__`, so it slips through.
Fix is to coerce each entry to `Mount` first: `Mount` instances pass
through, dicts go through `Mount(**entry)`. Type hint and docstring updated,
plus two new tests.
Closes: #66345
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