master
[SPARK-36997][PYTHON][TESTS] Run mypy tests against ml, sql, streaming and core examples
[SPARK-37836][PYTHON][INFRA] Enable F841, E722, E305 and E226 for PEP 8 compliance
[SPARK-47683][PYTHON][BUILD] Decouple PySpark core API to pyspark.core package
[SPARK-16403][EXAMPLES] Cleanup to remove unused imports, consistent style, minor fixes
[SPARK-38424][PYTHON] Warn unused casts and ignores