Content - 4207c328bae240bf0021fe4cfd8f7341668e11df - 1bb1124/Lib/test/leakers/test_selftype.py

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09 December 2020, 11:06:31 UTC

Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first

Tip revision: 74f4bd5

test_selftype.py

# Reference cycles involving only the ob_type field are rather uncommon
# but possible.  Inspired by SF bug 1469629.

import gc

def leak():
    class T(type):
        pass
    class U(type):
        __metaclass__ = T
    U.__class__ = U
    del U
    gc.collect(); gc.collect(); gc.collect()