Fix4coveralls

[adybbroe]

• Closes #xxxx
• Tests added
• Tests passed: Passes pytest pyspectral
• Passes flake8
• Fully documented

[codecov-commenter]

Codecov Report

Merging #6 (f6442f0) into main (30b9cec) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main       #6   +/-   ##
=======================================
  Coverage   63.08%   63.08%           
=======================================
  Files          11       11           
  Lines        1081     1081           
  Branches       98       98           
=======================================
  Hits          682      682           
  Misses        381      381           
  Partials       18       18           

Flag	Coverage Δ
unittests	63.08% <ø> (ø)

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[coveralls]

Coverage increased (+64.8%) to 64.755% when pulling f6442f0 on fix4coveralls into 30b9cec on main.