type: workaround for pyright bug

[mr-cal]

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• Have you successfully run pytest tests/unit?

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Cherry-pick #3423 into hotfix/7.5

[codecov-commenter]

Codecov Report

Merging #4243 (2190394) into hotfix/7.5 (4ce377c) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

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@@              Coverage Diff               @@
##           hotfix/7.5    #4243      +/-   ##
==============================================
- Coverage       94.85%   94.85%   -0.01%     
==============================================
  Files             648      648              
  Lines           54353    54355       +2     
==============================================
+ Hits            51555    51556       +1     
- Misses           2798     2799       +1     

Impacted Files	Coverage Δ
snapcraft/commands/names.py	90.00% <100.00%> (+0.16%)	⬆️
snapcraft/commands/status.py	92.92% <100.00%> (+0.03%)	⬆️

... and 1 file with indirect coverage changes

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