anchor.diff:      homepage = "https://github.com/soft-matter/trackpy";
       license = licenses.bsd3;
       maintainers = [ maintainers.costrouc ];
  -    broken = true; # not compatible with latest pandas
     };
   }
  
positive.code: , pandas
  , pyyaml
  , matplotlib
  , pytest
  }:
  
  buildPythonPackage rec {
  
negative.code: { lib
  , stdenv
  , buildPythonPackage
  , fetchFromGitHub
  , numpy
  