New submission from Hayden Clark :
If you make a user-defined type that inherits from typing.Mapping (which is an
alias for collections.abc.Mapping), pprint does not dump the contents, it just
treats it as an unknown class.
Examining the code, it is explicitly checking for "dict"
Change by Hayden Clark :
--
components: Library (Lib)
nosy: hclark
priority: normal
severity: normal
status: open
title: pprint does not work for typing.Mapping
type: behavior
versions: Python 3.8
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