fix chr ID

[Cristianetaniguti]

• Fix remaining bug for cases in which chr ID has "_" included

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.94%. Comparing base (18ad68d) to head (6ef6978).
Report is 17 commits behind head on development.

Additional details and impacted files

@@               Coverage Diff               @@
##           development      #39      +/-   ##
===============================================
+ Coverage        84.14%   84.94%   +0.79%     
===============================================
  Files               16       18       +2     
  Lines             1148     1242      +94     
===============================================
+ Hits               966     1055      +89     
- Misses             182      187       +5     

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