shell integration breaks repl tracebacks

[190n]

Type: Bug

Behaviour

with shell integration enabled, if i cause an exception in the repl the traceback points to an "import platform" line instead of the actual error

Steps to reproduce:

1. ensure "python > terminal > shell integration" is enabled in settings
2. open a shell and then a python repl
3. run something like raise 5

Python 3.13.7 (main, Aug 15 2025, 12:34:02) [GCC 15.2.1 20250813] on linux
Type "help", "copyright", "credits" or "license" for more information.
Ctrl click to launch VS Code Native REPL
>>> raise 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
    import platform
    ^^^^^^^
TypeError: exceptions must derive from BaseException

Diagnostic data

Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

2025-09-20 13:20:35.434 [info] Telemetry is disabled
2025-09-20 13:20:35.434 [info] Experiments are disabled, only manually opted experiments are active.
2025-09-20 13:20:35.434 [warning] Dir "/home/me/project/.pixi/envs" is not watchable (directory does not exist)
2025-09-20 13:20:35.441 [info] Python interpreter path: /bin/python
2025-09-20 13:20:35.518 [info] > pyenv which python
2025-09-20 13:20:35.518 [info] cwd: .
2025-09-20 13:20:45.181 [info] Pylance extension is not installed.
2025-09-21 21:50:36.054 [info] Discover tests for workspace name: undefined - uri: /home/me/.config/Code/User/settings.json

Extension version: 2025.14.0
VS Code version: Code 1.104.0 (f220831ea2d946c0dcb0f3eaa480eb435a2c1260, 2025-09-10T06:46:18.035Z)
OS version: Linux x64 6.16.7-200.fc42.x86_64
Modes: