Fix test_add_subparsers_twice with Python 3.12.5

[shadchin]

No description provided.

[martinjm97]

Hi @shadchin, thank you for the contribution! Do you happen to have a reference to the change in Python 3.12.5 and a reason for why it will persist to future versions of Python?

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.07%. Comparing base (b569790) to head (d7f7f9d).

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #146   +/-   ##
=======================================
  Coverage   94.07%   94.07%           
=======================================
  Files           4        4           
  Lines         692      692           
=======================================
  Hits          651      651           
  Misses         41       41           

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[shadchin]

Hi @shadchin, thank you for the contribution! Do you happen to have a reference to the change in Python 3.12.5 and a reason for why it will persist to future versions of Python?

python/cpython#121018

[martinjm97]

Perfect! Thank you!