[3.11] gh-98930: improve the docstring of signal.strsignal (GH-99290) #99449
+11
−9
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Improves the docstring on signal.strsignal to make it explain when it returns a message, None, or when it raises ValueError.
Closes GH-98930
Co-authored-by: Gregory P. Smith greg@krypto.org. (cherry picked from commit 88385b8)
Co-authored-by: ram vikram singh ramvikrams243@gmail.com