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Remove obsolete NotParallelSafe flag for test_zlib#2053

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slozier merged 1 commit into
IronLanguages:mainfrom
tiffanyelangwa:fix-test-zlib-parallel-safe
Jun 16, 2026
Merged

Remove obsolete NotParallelSafe flag for test_zlib#2053
slozier merged 1 commit into
IronLanguages:mainfrom
tiffanyelangwa:fix-test-zlib-parallel-safe

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@tiffanyelangwa

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Summary

This PR removes the NotParallelSafe=true flag for IronPython.modules.misc.test_zlib.

Issue #1177 originally reported that test_zlib was not safe to run in parallel because it could raise a FileNotFoundError involving test_data.gz. According to the maintainer, the concurrency issue was resolved in #2002, but the NotParallelSafe=true setting added in #1397 was never removed.

After removing the flag, I ran:

  • .\make.ps1 test-zlib

and the tests passed successfully on all configured targets (net462, net8.0, and net10.0).

Fixes #1177

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Thanks!

@slozier slozier merged commit 9e14f07 into IronLanguages:main Jun 16, 2026
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IronPython.modules.misc.test_zlib is not parallel safe

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