[CLIENT-3154] Fix crash when running dev tests using python3.10-dbg

[juliannguyen4]

TODO:

• Figure out why pytest didn't report this error
• PyObject_SetAttrString is raising an exception if an attribute is set to NULL and the attribute previously existed
• Manual repro of attrs being deleted bug
• Get exact test where this happens

[codecov-commenter]

Codecov Report

:x: Patch coverage is 73.07692% with 14 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 81.94%. Comparing base (f762c03) to head (d087e3b). :warning: Report is 5 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/main/exception.c	73.07%	14 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #769      +/-   ##
==========================================
- Coverage   82.03%   81.94%   -0.10%     
==========================================
  Files          99       99              
  Lines       14724    13929     -795     
==========================================
- Hits        12079    11414     -665     
+ Misses       2645     2515     -130     

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