BUG: TypeError with to_html(sparsify=False) and max_cols < len(columns)

[simonjayhawkins]

• closes TypeError with to_html(sparsify=False) and max_cols < len(columns) #22887
• closes TST: random html testing issues #11060
• tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

[jreback]

looks good can you add a whatsnew note

[codecov]

Codecov Report

Merging #24572 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #24572      +/-   ##
==========================================
+ Coverage   92.31%   92.31%   +<.01%     
==========================================
  Files         166      166              
  Lines       52556    52559       +3     
==========================================
+ Hits        48518    48522       +4     
+ Misses       4038     4037       -1

Flag	Coverage Δ
#multiple	90.74% <100%> (ø)	⬆️
#single	43.06% <0%> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/io/formats/html.py	99.36% <100%> (+0.32%)	⬆️

---

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[codecov]

Codecov Report

Merging #24572 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #24572      +/-   ##
==========================================
+ Coverage   92.31%   92.32%   +<.01%     
==========================================
  Files         166      166              
  Lines       52556    52559       +3     
==========================================
+ Hits        48518    48523       +5     
+ Misses       4038     4036       -2

Flag	Coverage Δ
#multiple	90.74% <100%> (ø)	⬆️
#single	43.05% <0%> (-0.01%)	⬇️

Impacted Files	Coverage Δ
pandas/io/formats/html.py	99.36% <100%> (+0.32%)	⬆️
pandas/util/testing.py	87.71% <0%> (+0.09%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 588b558...56b4aae. Read the comment docs.

[jreback]

thanks!