Workaround: catch AttributeError while formatting exception

[yarikoptic]

I remembered doing this and then found patch within dandi-feedstock , but never submitted here as a fix, but we ran into it within dandischema recently (thus attn to @candleindark )

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.83%. Comparing base (5555a76) to head (8550449).
⚠️ Report is 161 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1638      +/-   ##
==========================================
+ Coverage   88.52%   88.83%   +0.31%     
==========================================
  Files          78       82       +4     
  Lines       10872    11438     +566     
==========================================
+ Hits         9624    10161     +537     
- Misses       1248     1277      +29     

Flag	Coverage Δ
unittests	88.83% <100.00%> (+0.31%)	⬆️

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[github-actions]

🚀 PR was released in 0.69.1 🚀