fix broken printing of matrices

[cgnorthcutt]

No description provided.

[codecov]

Codecov Report

Merging #207 (335ceea) into master (269a09d) will decrease coverage by 0.99%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #207      +/-   ##
==========================================
- Coverage   95.48%   94.49%   -1.00%     
==========================================
  Files          12       12              
  Lines         909      909              
  Branches      180      178       -2     
==========================================
- Hits          868      859       -9     
- Misses         15       20       +5     
- Partials       26       30       +4     

Impacted Files	Coverage Δ
cleanlab/internal/util.py	98.03% <ø> (-0.99%)	⬇️
cleanlab/filter.py	88.46% <0.00%> (-5.13%)	⬇️

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