fix(desktop): stop pruning _pyrepl from Windows/Linux stdlib#31
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CPython 3.14's pydoc (and pdb) import _pyrepl at module load, so pruning it breaks any desktop app importing pydoc/pdb/pytest with: ModuleNotFoundError: No module named '_pyrepl' Un-prune _pyrepl in the Windows and Linux Dart excludes. macOS/iOS/Android already un-pruned it (mobile fix #29); their comments now also cite pydoc. Fixes flet-dev/serious-python#236
FeodorFitsner
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Jul 19, 2026
…import, #236) (#237) Windows/Linux desktop apps on Python 3.14 crashed at startup with ModuleNotFoundError: No module named '_pyrepl' when the app or a dependency (e.g. NLTK) imports pydoc/pdb — 3.14's pydoc/pdb import _pyrepl at module load, but it was pruned from the desktop stdlib as a dev-only module. python-build 20260719 un-prunes _pyrepl on Windows/Linux (flet-dev/python-build#31); iOS/macOS/Android already shipped it (4.3.2), so those runtimes are byte-identical to 20260714. Folded into the not-yet-released 4.3.4. Fixes #236
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Problem
Windows/Linux desktop apps built with Python 3.14 crash on startup when the app (or a dependency) imports
pydoc:CPython 3.14's
pydoc.py— andpdb.py— import_pyreplat module load. The Windows and Linux Dart stdlib excludes pruneLib/_pyreplas a "dev-only / interactive-REPL" module, so any desktop app importingpydoc/pdb/pytest(or a lib that does, e.g. NLTK) dies withModuleNotFoundError: No module named '_pyrepl'.Fix
Stop pruning
_pyreplinwindows/python-windows-dart.excludeandlinux/python-linux-dart.exclude.macOS/iOS/Android already un-pruned it in the mobile fix (#29, which cited
pdb); this extends the same treatment to desktop and updates all comments to also citepydoc, the trigger reported here.Fixes flet-dev/serious-python#236