Anna Liang created SPARK-60174:
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Summary: Remove type: ignore[union-attr] in
pyspark.sql.worker.utils
Key: SPARK-60174
URL: https://issues.apache.org/jira/browse/SPARK-60174
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 4.4.0
Reporter: Anna Liang
`worker_run` in python/pyspark/sql/worker/utils.py suppresses a mypy
`union-attr` error on `sys.modules["__main__"].__spec__.name` with
`# type: ignore[union-attr]`, because `__spec__` is typed as
`ModuleSpec | None`.
Narrow the type explicitly by storing `__spec__` in a local variable and
checking `is not None`, then remove the `type: ignore`. Behavior is unchanged.
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