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PR: Destroy tk app to avoid memory leak #1008

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Merged
blink1073 merged 2 commits into from
Oct 20, 2022
Merged

PR: Destroy tk app to avoid memory leak #1008

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514f5e8
destroy tk app to avoid memory leak
Oct 20, 2022
34e2313
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 20, 2022
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5 changes: 4 additions & 1 deletion ipykernel/eventloops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -247,6 +247,8 @@ def process_stream_events(stream, *a, **kw):
if stream.flush(limit=1):
app.tk.deletefilehandler(stream.getsockopt(zmq.FD))
app.quit()
app.destroy()
del kernel.app_wrapper

# For Tkinter, we create a Tk object and call its withdraw method.
kernel.app_wrapper = BasicAppWrapper(app)
Expand Down Expand Up @@ -297,7 +299,8 @@ def start(self):
def loop_tk_exit(kernel):
try:
kernel.app_wrapper.app.destroy()
except RuntimeError:
del kernel.app_wrapper
except (RuntimeError, AttributeError):
pass


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