Fix recursion error in Jupyter

[willmcgugan]

Fixes #2047

[codecov-commenter]

Codecov Report

Merging #2209 (939aac8) into master (7105781) will decrease coverage by 3.49%.
The diff coverage is 85.28%.

@@            Coverage Diff             @@
##           master    #2209      +/-   ##
==========================================
- Coverage   99.46%   95.97%   -3.50%     
==========================================
  Files          72       73       +1     
  Lines        7339     7606     +267     
==========================================
  Hits         7300     7300              
- Misses         39      306     +267     

Flag	Coverage Δ
unittests	95.97% <85.28%> (-3.50%)	⬇️

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Impacted Files	Coverage Δ
rich/__main__.py	100.00% <ø> (ø)
rich/_windows_renderer.py	0.00% <0.00%> (-100.00%)	⬇️
rich/layout.py	100.00% <ø> (ø)
rich/markup.py	100.00% <ø> (ø)
rich/progress.py	92.77% <78.85%> (-5.66%)	⬇️
rich/progress_bar.py	99.00% <85.71%> (-1.00%)	⬇️
rich/console.py	97.22% <96.62%> (-1.92%)	⬇️
rich/__init__.py	100.00% <100.00%> (ø)
rich/_export_format.py	100.00% <100.00%> (ø)
rich/control.py	100.00% <100.00%> (ø)
... and 7 more

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