[New-bugs-announce] [issue33128] PathFinder is twice on sys.meta_path

[Hartmut Goebel]

New submission from Hartmut Goebel <h.goebel at crazy-compilers.com>:

As of Python 3.7.0b2 _frozen_importlib_external.PathFinder exists twice on sys.meta_path, and it is the same object:

$ python -S
Python 3.7.0b2 (default, Mar 22 2018, 20:09:00) 
[GCC 5.5.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> print(sys.meta_path)
[<class '_frozen_importlib.BuiltinImporter'>,
<class '_frozen_importlib.FrozenImporter'>,
<class '_frozen_importlib_external.PathFinder'>,
<class '_frozen_importlib_external.PathFinder'>]
>>> print([id(p) for p in sys.meta_path])
[24427944, 24430216, 24517416, 24517416]
>>>

----------
components: Interpreter Core
messages: 314340
nosy: htgoebel
priority: normal
severity: normal
status: open
title: PathFinder is twice on sys.meta_path
type: behavior
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33128>
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