[issue18644] Got ResourceWarning: unclosed file when using test function from formatter module

[Vajrasky Kok]

Vajrasky Kok added the comment:

I guess I should not close stdin just in case people are using test function in the script.

Attached the patch to only close the open files not stdin.

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Added file: http://bugs.python.org/file31140/formatter_fix_resource_warning_v3.patch

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