[New-bugs-announce] [issue45197] IDLE should suppress ValueError for list.remove()

[Raymond Hettinger]

New submission from Raymond Hettinger <raymond.hettinger at gmail.com>:

I got this today running a stock Python 3.9.6 for macOS downloaded from python.org.

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Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/tkinter/__init__.py", line 1892, in __call__
    return self.func(*args)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/idlelib/multicall.py", line 176, in handler
    r = l[i](event)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/idlelib/autocomplete_w.py", line 350, in keypress_event
    self.hide_window()
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/idlelib/autocomplete_w.py", line 463, in hide_window
    self.widget.event_delete(HIDE_VIRTUAL_EVENT_NAME, seq)
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/idlelib/multicall.py", line 392, in event_delete
    triplets.remove(triplet)
ValueError: list.remove(x): x not in list

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assignee: terry.reedy
components: IDLE
messages: 401782
nosy: rhettinger, terry.reedy
priority: normal
severity: normal
status: open
title: IDLE should suppress ValueError for list.remove()
type: behavior
versions: Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45197>
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