prevent error override, fix traceback type

[mbektas]

this is in addition to #786

• fixing overriding regular error type detection.
• making traceback an empty list instead of empty string

[codecov]

Codecov Report

Merging #788 (1691811) into main (cb2eb37) will decrease coverage by 0.26%.
Report is 6 commits behind head on main.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #788      +/-   ##
==========================================
- Coverage   91.54%   91.29%   -0.26%     
==========================================
  Files          17       17              
  Lines        1621     1631      +10     
==========================================
+ Hits         1484     1489       +5     
- Misses        137      142       +5     

[MSeal]

Thanks!