RecursionError mess on pypy3

test_recursion.py

import sys

def f():
    try:
        return f()
    except RecursionError:
        return sys.exc_info()

def do_check():
    f()
    assert sys.exc_info() == (None, None, None)

def recurse(n):
    print(n)
    if n <= 0:
        return do_check()
    else:
        return recurse(n-1)

def test_recursion():
    for i in range(50):
        recurse(i)