Message329154
| Author |
taleinat |
| Recipients |
Michael.Felt, dstufft, eric.araujo, taleinat |
| Date |
2018-11-02.19:39:31 |
| SpamBayes Score |
-1.0 |
| Marked as misclassified |
Yes |
| Message-id |
<1541187571.38.0.788709270274.issue34897@psf.upfronthosting.co.za> |
| In-reply-to |
|
| Content |
`not cmd` will but true if cmd is None, so it is completely equivalent to `cmd is None or not cmd`. This is a purely stylistic change which doesn't alter the logic.
To get a clear understanding of what's going on, I recommend reading the short "Truth Value Testing" section in the docs:
https://docs.python.org/library/stdtypes.html#truth-value-testing |
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