Message 394141 - Python tracker

➜

This issue tracker has been migrated to GitHub, and is currently read-only.
For more information, see the GitHub FAQs in the Python's Developer Guide.

Content 
Is the test added here:

https://github.com/python/cpython/pull/26274

import ast
import builtins
import sys
import os

tree = ast.parse("pass")
x = [tree]
x.append(x)

# Put the cycle somewhere to survive until the *last* GC collection
def callback(*args):
    pass
callback.a = x
os.register_at_fork(after_in_child=callback)


----------------


If this doesn't work maybe Erlend may help you reproducing this.