remove pathtools dependency

[shaypal5]

No description provided.

[codecov]

Codecov Report

Merging #130 (65cc1e0) into master (f1a96b8) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #130   +/-   ##
=======================================
  Coverage   99.40%   99.40%           
=======================================
  Files           5        5           
  Lines         508      508           
  Branches       88       88           
=======================================
  Hits          505      505           
  Misses          2        2           
  Partials        1        1           

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