fixed _resolve_dim

[colganwi]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 4 lines in your changes missing coverage. Please review.

Project coverage is 92.57%. Comparing base (098a8de) to head (a81b830).
Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
src/treedata/_core/read.py	84.61%	2 Missing ⚠️
src/treedata/_core/write.py	91.66%	1 Missing ⚠️
src/treedata/_utils.py	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #39      +/-   ##
==========================================
- Coverage   92.85%   92.57%   -0.29%     
==========================================
  Files           7        7              
  Lines         504      525      +21     
==========================================
+ Hits          468      486      +18     
- Misses         36       39       +3     

Files with missing lines	Coverage Δ
src/treedata/_core/merge.py	93.33% <100.00%> (ø)
src/treedata/_core/write.py	98.48% <91.66%> (-1.52%)	⬇️
src/treedata/_utils.py	96.55% <85.71%> (-3.45%)	⬇️
src/treedata/_core/read.py	85.91% <84.61%> (-0.03%)	⬇️