Typing for attribute.py

[BradyAJohnston]

• Update attribute.py
• typing

[codecov]

Codecov Report

❌ Patch coverage is 91.17647% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.57%. Comparing base (5a11433) to head (78094ea).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
databpy/object.py	78.57%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #67      +/-   ##
==========================================
+ Coverage   90.53%   90.57%   +0.03%     
==========================================
  Files          13       13              
  Lines         782      785       +3     
==========================================
+ Hits          708      711       +3     
  Misses         74       74              

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