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pytest: ValueError: invalid location in marshalled object #6597
Description
rustpython -V
# Python 3.13.0alpha (heads/master:9fcc471c9
rustpython -m pip install pytest
cd /tmp
git clone https://github.com/xonsh/xonsh
cd xonsh
pytestTraceback (most recent call last):
File "/Users/pc/.local/bin/rust-pytest", line 3, in <module>
from pytest import console_main
File "_frozen_importlib", line 1461, in __import__
File "_frozen_importlib", line 1382, in _gcd_import
File "_frozen_importlib", line 1352, in _find_and_load
File "_frozen_importlib", line 1355, in _find_and_load
File "_frozen_importlib", line 1329, in _find_and_load_unlocked
File "_frozen_importlib", line 1326, in _find_and_load_unlocked
File "_frozen_importlib", line 1326, in _find_and_load_unlocked
File "_frozen_importlib", line 945, in _load_unlocked
File "_frozen_importlib", line 943, in _load_unlocked
File "_frozen_importlib", line 936, in _load_unlocked
File "_frozen_importlib", line 930, in _load_unlocked
File "_frozen_importlib_external", line 990, in exec_module
File "_frozen_importlib_external", line 1125, in get_code
File "_frozen_importlib_external", line 752, in _compile_bytecode
ValueError: invalid location in marshalled object
Activity
terryluan12 commentedon Dec 30, 2025
I'm getting a similar error
Commenting out
write_signed_varint(&mut linetable, line_delta);in thegenerate_linetablefunction incrates/codegen/src/ir.rsseems to prevent the error.youknowone commentedon Dec 31, 2025
this is probably i broke marshal compatibiltiy recently.
I will break bytecode compatibility a few more times in this week.
running this command will be helpful:
anki-code commentedon Dec 31, 2025
Same error after
youknowone commentedon Jan 4, 2026
Sorry for inconvenience. I changed magic number in #6638 This must be solved.
youknowone commentedon Oct 6, 2026
The originally reported path
from pytest import console_mainsucceeds on current main with pytest 9.1.1. Closing.— commented by Grok 4.6