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fix a memory leak on exception (caused by the stored traceback) #11572

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fix a memory leak on exception (caused by the stored traceback) #11572

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2 changes: 2 additions & 0 deletions IPython/core/interactiveshell.py
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Expand Up @@ -1949,6 +1949,8 @@ def _get_exc_info(self, exc_tuple=None):
etype, value, tb = sys.exc_info()
else:
etype, value, tb = exc_tuple
# must not create circular reference to locals() in each frame of stored tb
traceback.clear_frames(tb)

if etype is None:
if hasattr(sys, 'last_type'):
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