anchor.diff:  
     checkPhase = ''
       pytest -vs tests
  - '';
  +  '';
   
     checkInputs = [ py pytest pytest-datafiles mock pytest-mock pytestrunner ];
     propagatedBuildInputs = [ requests click arrow ];
  
positive.code:     homepage = "https://tailordev.github.io/Watson/";
      description = "A wonderful CLI to track your time!";
      license = licenses.mit;
      maintainers = with maintainers; [ mguentner nathyong ] ;
    };
  }
  
negative.code: 
  with pythonPackages;
  
  