[BUG] deep_equals is broken for pandas.Index

[XinyuWuu]

fix #406

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.29%. Comparing base (306958d) to head (d9aabd8).
Report is 107 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #407      +/-   ##
==========================================
+ Coverage   85.07%   85.29%   +0.22%     
==========================================
  Files          45       48       +3     
  Lines        3015     3312     +297     
==========================================
+ Hits         2565     2825     +260     
- Misses        450      487      +37     

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