[issue40747] sysconfig.get_config_var("py_version_nodot") should return 3_10

[mattip]

New submission from mattip <matti.picus at gmail.com>:

Over in packaging, that code expects `sysconfig.get_config_var("py_version_nodot")` to be consistent with `tags._version_nodot`, which expects 3_10 for python 3.10. See https://github.com/pypa/packaging/issues/308. The current value of `sysconfig.get_config_var("py_version_nodot")` (which comes from https://github.com/python/cpython/blob/master/Lib/sysconfig.py#L89) is `310` which is ambiguous.

----------
components: Installation
messages: 369750
nosy: mattip
priority: normal
severity: normal
status: open
title: sysconfig.get_config_var("py_version_nodot") should return 3_10
type: behavior
versions: Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40747>
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