CSV format change fix

[mdorf]

resolved #218

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.08%. Comparing base (db05a3b) to head (d380a88).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #226   +/-   ##
========================================
  Coverage    81.08%   81.08%           
========================================
  Files           74       74           
  Lines         5251     5251           
========================================
  Hits          4258     4258           
  Misses         993      993           

Flag	Coverage Δ
unittests	81.08% <100.00%> (ø)

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