fix for when perturbing from existing ATCF/fort.22 file

[WPringle]

• Allowing input of advisories and/or file_deck in perturb_tracks when reading from existing file.
• Fixing bug for lower_bounds setting that would set the value to zero instead when the perturbed value would be <1 due to logic intended to deal with zeros/null values. Just use != 0.

[codecov-commenter]

Codecov Report

Merging #97 (3a938f0) into main (828f155) will increase coverage by 0.31%. The diff coverage is 100.00%.

:exclamation: Current head 3a938f0 differs from pull request most recent head d026d25. Consider uploading reports for the commit d026d25 to get more accurate results

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@@            Coverage Diff             @@
##             main      #97      +/-   ##
==========================================
+ Coverage   19.26%   19.57%   +0.31%     
==========================================
  Files          26       27       +1     
  Lines        3691     3703      +12     
==========================================
+ Hits          711      725      +14     
+ Misses       2980     2978       -2     

Impacted Files	Coverage Δ
ensembleperturbation/perturbation/atcf.py	50.37% <ø> (+0.30%)	:arrow_up:
tests/test_advisory_ensemble.py	100.00% <100.00%> (ø)

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[WPringle]

@SorooshMani-NOAA Thanks, I'm looking for values that are 0 to stay 0, if not then add in the new value. The way it is written we need the inverse of that so != 0 instead of >=1.

I think we could add a test for the perturbation of an existing a file_deck advisory (forecast) ATCF file. Do you want me add that in?

[SorooshMani-NOAA]

@WPringle thanks for the explanation.

Yes please, if it's not too much trouble, can you please add the test?

[WPringle]

@SorooshMani-NOAA Added the perturbation of existing advisory file test.

[SorooshMani-NOAA]

@WPringle thanks, looks good. Should I merge it or is there anything else that you'd like to add/modify in this PR?

[WPringle]

@SorooshMani-NOAA I think it is good to go! Don't have anything more to add.