anchor.diff:  , pytestpep8
   , sphinx
   , mock
  +, chalice
   , isPy27
   }:
   
  
positive.code:   propagatedBuildInputs = [ httplib2 oauth oauth2 semantic-version ];
    checkInputs = [
      flask httpretty oauthlib pyflakes pytest pytestcache pytestcov covCore
      pytestflakes pytestpep8 sphinx mock
    ];
  
    src = fetchPypi {
  
negative.code:     license = lib.licenses.bsdOriginal;
      maintainers = with lib.maintainers; [ layus ];
    };
  }
  