optimized divide

[willmcgugan]

Type of changes

• Bug fix
• New feature
• Documentation / docstrings
• Tests
• Other

Checklist

• I've run the latest black with default args on new code.
• I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate.
• I've added tests for new code.
• I accept that @willmcgugan may be pedantic in the code review.

Description

Please describe your changes here. If this fixes a bug, please link to the issue, if possible.

[codecov-commenter]

Codecov Report

Merging #2385 (2a0d7b6) into master (19e518f) will decrease coverage by 0.03%.
The diff coverage is 98.36%.

@@            Coverage Diff             @@
##           master    #2385      +/-   ##
==========================================
- Coverage   98.71%   98.67%   -0.04%     
==========================================
  Files          73       72       -1     
  Lines        7771     7768       -3     
==========================================
- Hits         7671     7665       -6     
- Misses        100      103       +3     

Flag	Coverage Δ
unittests	98.67% <98.36%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
rich/default_styles.py	100.00% <ø> (ø)
rich/progress.py	92.76% <ø> (ø)
rich/segment.py	98.72% <93.10%> (+<0.01%)	⬆️
rich/_inspect.py	100.00% <100.00%> (ø)
rich/box.py	100.00% <100.00%> (ø)
rich/cells.py	96.05% <100.00%> (-3.95%)	⬇️
rich/console.py	98.30% <100.00%> (+0.01%)	⬆️
rich/highlighter.py	100.00% <100.00%> (ø)
rich/pretty.py	99.22% <100.00%> (+<0.01%)	⬆️
rich/style.py	99.75% <100.00%> (-0.01%)	⬇️
... and 2 more

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