https://mail.python.org/archives/list/capi-sig@python.org/thread/T6DHEKHKKZIYU2GEPGHUQJ3DHTJXZGWW/?sort=date
Mailman 3 Replacing PySequence_Check / PyMapping_Check - capi-sig - python.org
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https://wiki.python.org/jython/CollectionsIntegration(2f)PySequence.html
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https://mail.python.org/archives/list/docs@python.org/thread/5P3L3FFCTIBLWPIQJHEGF23I27CUATVG/
Mailman 3 [issue16395] Documentation claims that PySequence_Fast returns a tuple, when it actually...
https://mail.python.org/archives/list/capi-sig@python.org/message/6FQSKHHYXTXWLHA34VOSMA3UKIRO2N4U/
Mailman 3 [capi-sig] Re: Replacing PySequence_Check / PyMapping_Check - capi-sig - python.org
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