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Tkinter getint(), getboolean() argument must be str, not tuple

zooba

Bug report

Discovered during 3.13b1 release (we decided not to block the release over it, so this is just a known issue in b1):

While interacting with the config dialog in IDLE, I get these errors printed in the background.

Exception in Tkinter callback
Traceback (most recent call last):
  File "D:\cpython\Lib\tkinter\__init__.py", line 2064, in __call__
    args = self.subst(*args)
  File "D:\cpython\Lib\tkinter\__init__.py", line 1752, in _substitute
    e.state = getint_event(s)
              ~~~~~~~~~~~~^^^
  File "D:\cpython\Lib\tkinter\__init__.py", line 1726, in getint_event
    return getint(s)
TypeError: getint() argument must be str, not tuple

I suspect this is the underlying cause of these test failures, which were discovered in our final stage testing of the Windows release:

======================================================================
ERROR: test_highlight_target_text_mouse (idlelib.idle_test.test_configdialog.HighPageTest.test_highlight_target_text_mouse)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\a\1\b\Python\Lib\idlelib\idle_test\test_configdialog.py", line 447, in test_highlight_target_text_mouse
    eq(d.highlight_target.get(), elem[tag])
                                 ~~~~^^^^^
KeyError: 'sel'

======================================================================
FAIL: test_highlight_sample_b1_motion (idlelib.idle_test.test_configdialog.HighPageTest.test_highlight_sample_b1_motion)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\a\1\b\Python\Lib\idlelib\idle_test\test_configdialog.py", line 493, in test_highlight_sample_b1_motion
    eq(hs.tag_ranges('sel'), ())
    ~~^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Tuples differ: (<string object: '1.0'>, <string object: '1.24'>) != ()

First tuple contains 2 additional elements.
First extra element 0:
<string object: '1.0'>

- (<string object: '1.0'>, <string object: '1.24'>)
+ ()

======================================================================
FAIL: test_highlight_sample_double_click (idlelib.idle_test.test_configdialog.HighPageTest.test_highlight_sample_double_click)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "D:\a\1\b\Python\Lib\idlelib\idle_test\test_configdialog.py", line 471, in test_highlight_sample_double_click
    eq(hs.tag_ranges('sel'), ())
    ~~^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Tuples differ: (<string object: '1.0'>, <string object: '1.24'>) != ()

First tuple contains 2 additional elements.
First extra element 0:
<string object: '1.0'>

- (<string object: '1.0'>, <string object: '1.24'>)
+ ()

----------------------------------------------------------------------

Possibly related to @serhiy-storchaka's recent changes?

Linked PRs