Fix parsing error when entry from dict returns None

[PSzczepanski1996]

Description

Describe:

• Content of the pull request

Fixes error when the entries is None.

• Feature added / Problem fixed

TypeError: 'NoneType' object is not iterable

Checklist

• I have read the contribution guide
• Code lint checked via inv lint
• changes file included (see docs)
• Usage documentation added in case of new features
• Tests added

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (accdf1c) 96.57% compared to head (b322e27) 96.57%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #168   +/-   ##
=======================================
  Coverage   96.57%   96.57%           
=======================================
  Files           8        8           
  Lines         933      935    +2     
  Branches       69       69           
=======================================
+ Hits          901      903    +2     
  Misses         19       19           
  Partials       13       13           

Flag	Coverage Δ
unittests	96.57% <100.00%> (+<0.01%)	⬆️

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