anchor.diff:    buildInputs = [ glibcLocales ];
   
     checkPhase = ''
  -    python -m unittest discover
  +    ${python.interpreter} -m unittest discover
     '';
   
     meta = {
  
positive.code: , lib
  , fetchurl
  , glibcLocales
  }:
  
  let
  
negative.code:     license = lib.licenses.mit;
    };
  
  }
  