refactor(helper_script.py): use pathlib.Path instead of os.path

[b31ngd3v]

closes #1993

[codecov-commenter]

Codecov Report

Merging #2009 (cc111da) into main (b6632d6) will decrease coverage by 2.09%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2009      +/-   ##
==========================================
- Coverage   85.04%   82.94%   -2.10%     
==========================================
  Files         335      335              
  Lines        7583     7583              
  Branches      989      989              
==========================================
- Hits         6449     6290     -159     
- Misses        861     1035     +174     
+ Partials      273      258      -15     

Flag	Coverage Δ
longtests	78.00% <100.00%> (-0.08%)	⬇️
win-longtests	81.82% <100.00%> (-2.10%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cve_bin_tool/helper_script.py	85.65% <100.00%> (ø)
cve_bin_tool/nvd_api.py	24.00% <0.00%> (-52.80%)	⬇️
test/test_nvd_api.py	50.87% <0.00%> (-40.36%)	⬇️
cve_bin_tool/data_sources/nvd_source.py	36.75% <0.00%> (-18.92%)	⬇️
test/test_json.py	73.33% <0.00%> (-16.67%)	⬇️
cve_bin_tool/cvedb.py	43.14% <0.00%> (-10.37%)	⬇️
cve_bin_tool/cli.py	71.27% <0.00%> (+0.35%)	⬆️

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[terriko]

Looks good, thanks!

[terriko]

BTW, unless I've counted wrong, this should be your 4th contribution merged in October, so if you're doing hacktoberfest you should be done! Please leave any other stuff tagged as "hacktoberfest" for new participants looking for their first 4 merged pull requests, but you're always welcome to work on anything else you want to do!