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Author vstinner
Recipients docs@python, eric.snow, ncoghlan, ned.deily, vstinner
Date 2018-06-21.13:08:47
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Marked as misclassified Yes
Message-id <>
It would help to document that calling Py_Initialize() twice in Python 3.7 now triggers a fatal error, whereas previous the second call did nothing. Document it at:

... Or should it be considered as a regression?


My colleague Miro Hrončok reported a Python crash (SIGABRT) when running test suite on Python 3.7:

"Fatal Python error: _Py_InitializeCore: main interpreter already initialized"

konlpy uses the JPype project, the bug is in JPype initialization function (it's a C extension):

Date User Action Args
2018-06-21 13:08:48vstinnersetrecipients: + vstinner, ncoghlan, ned.deily, docs@python, eric.snow
2018-06-21 13:08:48vstinnersetmessageid: <>
2018-06-21 13:08:48vstinnerlinkissue33932 messages
2018-06-21 13:08:47vstinnercreate