use vampy for printing mesh info

[keiyamamo]

fix #144

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.

Project coverage is 78.75%. Comparing base (1c34f11) to head (6c03c67).

Files	Patch %	Lines
src/vasp/simulations/offset_stenosis_box.py	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #173      +/-   ##
==========================================
- Coverage   79.03%   78.75%   -0.28%     
==========================================
  Files          32       32              
  Lines        3777     3742      -35     
==========================================
- Hits         2985     2947      -38     
- Misses        792      795       +3     

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