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gh-91181: drop support for bytes on sys.path (GH-31934)

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Support for bytes broke sometime between Python 3.2 and 3.6 and has been broken ever since. Trying to bring back supports is surprisingly difficult in the face of -b and checking for keys in sys.path_importer_cache. Since the support was broken for so long, trying to overcome the difficulty of bringing back the support has been deemed not worth it.

Co-authored-by: Eryk Sun <eryksun@gmail.com>
Co-authored-by: Brett Cannon <brett@python.org>
(cherry picked from commit 6da988a46c)

Co-authored-by: Thomas Grainger <tagrain@gmail.com>
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Miss Islington (bot) 2022-07-16 18:31:25 -07:00 • committed by GitHub
parent e121cb5814
commit ccbf85382c
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6 changed files with 8 additions and 9 deletions
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Lib/importlib/_bootstrap_external.py
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@ -1468,7 +1468,7 @@ class PathFinder:
# the list of paths that will become its __path__
namespace_path = []
for entry in path:
if not isinstance(entry, (str, bytes)):
if not isinstance(entry, str):
continue
finder = cls._path_importer_cache(entry)
if finder is not None: