Better logic for empty yaml files

[kddejong]

Issue #, if available:
fix #3573

Description of changes:

• Better logic for empty yaml files

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.54%. Comparing base (de871c3) to head (16d1feb).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3574   +/-   ##
=======================================
  Coverage   93.53%   93.54%           
=======================================
  Files         349      349           
  Lines       11766    11767    +1     
  Branches     2498     2498           
=======================================
+ Hits        11005    11007    +2     
+ Misses        427      426    -1     
  Partials      334      334           

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