bug#71293: 29.3; indentation issue for Python mode

[Fabrice Salvaire]

I observed many times indentation issues for modern Python 3.

For examples:
```
class Foo:
def __init__(self, ...):
self.foo = ... # TAB won't indent to pos+4
```

A workaround is sometimes to close and reopen the file.
Thus I suspect a wrong state.
But I don't found any explanation.

I am using Python mode with treesitter enabled but I think it is not yet used for indentation ???

---
In GNU Emacs 29.3 (build 1, x86_64-redhat-linux-gnu, GTK+ Version 3.24.41, cairo version 1.18.0) of
2024-03-25 built on 8d1efaa99cf549ff83f11657c3f4678a
Windowing system distributor 'The X.Org Foundation', version 11.0.12302006
System Description: Fedora Linux 39 (Workstation Edition)

Configured using:
'configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu --program-prefix=
--disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin
--sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include
--libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --runstatedir=/run
--sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-dbus --with-gif
--with-jpeg --with-png --with-rsvg --with-tiff --with-xpm --with-x-toolkit=gtk3 --with-gpm=no
--with-xwidgets --with-modules --with-harfbuzz --with-cairo --with-json
--with-native-compilation=aot --with-tree-sitter --with-sqlite3 --with-webp --with-xinput2
build_alias=x86_64-redhat-linux-gnu host_alias=x86_64-redhat-linux-gnu CC=gcc
'CFLAGS=-DMAIL_USE_LOCKF -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
-pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3
-Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables
-fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer '
LDFLAGS=-Wl,-z,relro PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig CXX=g++
'CXXFLAGS=-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall
-Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables
-fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer ''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON LIBOTF LIBSELINUX
LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND
SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2 XPM XWIDGETS GTK3
ZLIB

Important settings:
value of $LC_ALL: fr_FR.utf8
value of $LANG: fr_FR.utf8
locale-coding-system: utf-8-unix

Major mode: Python

Minor modes in effect:
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flycheck-eglot-mode: t
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treemacs-hide-gitignored-files-mode: t
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shell-dirtrack-mode: t
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whitespace-mode: t
highlight-indent-guides-mode: t
doom-modeline-mode: t
server-mode: t
global-git-gutter-mode: t
git-gutter-mode: t
flycheck-pos-tip-mode: t
yas-global-mode: t
yas-minor-mode: t
global-corfu-mode: t
corfu-mode: t
global-treesit-auto-mode: t
global-flycheck-mode: t
flycheck-mode: t
flyspell-lazy-mode: t
undo-fu-session-global-mode: t
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which-key-mode: t
ivy-mode: t
recentf-mode: t
override-global-mode: t
tooltip-mode: t
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eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t

Load-path shadows:
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/home/.../.config/emacs/elpa/cmake-mode-20240412.1329/cmake-mode hides /usr/share/emacs/site-lisp/cmake/cmake-mode
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/home/.../.config/emacs/elpa/bind-key-20230203.2004/bind-key hides /usr/share/emacs/29.3/lisp/use-package/bind-key
/home/.../.config/emacs/elpa/use-package-20230426.2324/use-package-bind-key hides /usr/share/emacs/29.3/lisp/use-package/use-package-bind-key
/home/.../.config/emacs/elpa/use-package-20230426.2324/use-package-core hides /usr/share/emacs/29.3/lisp/use-package/use-package-core
/home/.../.config/emacs/elpa/use-package-20230426.2324/use-package-jump hides /usr/share/emacs/29.3/lisp/use-package/use-package-jump
/home/.../.config/emacs/elpa/csharp-mode-20221126.2005/csharp-mode hides /usr/share/emacs/29.3/lisp/progmodes/csharp-mode
/home/.../.config/emacs/elpa/eglot-1.17/eglot hides /usr/share/emacs/29.3/lisp/progmodes/eglot
/home/.../.config/emacs/elpa/eldoc-1.15.0/eldoc hides /usr/share/emacs/29.3/lisp/emacs-lisp/eldoc

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Memory information:
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