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Author Jeffrey.Kintscher
Recipients Dominik Czarnota, Jeffrey.Kintscher
Date 2019-07-16.20:10:32
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1563307832.83.0.260617316541.issue37529@roundup.psfhosted.org>
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This appears to have been fixed by issue #4963 and backported to the 3.7 and 3.8 branches:

Python 3.7.4+ (heads/3.7-dirty:e7bec26937, Jul 16 2019, 12:53:26) 
[Clang 10.0.1 (clang-1001.0.46.4)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import mimetypes
>>> mimetypes.guess_extension('image/bmp')
'.bmp'
>>> mimetypes.guess_extension('image/x-ms-bmp')
'.bmp'
History
Date User Action Args
2019-07-16 20:10:32Jeffrey.Kintschersetrecipients: + Jeffrey.Kintscher, Dominik Czarnota
2019-07-16 20:10:32Jeffrey.Kintschersetmessageid: <1563307832.83.0.260617316541.issue37529@roundup.psfhosted.org>
2019-07-16 20:10:32Jeffrey.Kintscherlinkissue37529 messages
2019-07-16 20:10:32Jeffrey.Kintschercreate