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Diffstat (limited to 'Lib/threading.py')
| -rw-r--r-- | Lib/threading.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/threading.py b/Lib/threading.py index 409360dae2..2f472b47aa 100644 --- a/Lib/threading.py +++ b/Lib/threading.py @@ -444,6 +444,9 @@ class Thread(_Verbose): def run(self): if self.__target: self.__target(*self.__args, **self.__kwargs) + # Avoid a refcycle if the thread is running a function with an + # argument that has a member that points to the thread. + del self.__target, self.__args, self.__kwargs def __bootstrap(self): # Wrapper around the real bootstrap code that ignores |