anchor.diff:      export LANG="en_US.UTF-8"
       export LC_ALL="en_US.UTF-8"
   
  -    pytest test tests
  +    pytest tests
   
       ${python.interpreter} bin/behave -f progress3 --stop --tags='~@xfail' features/
       ${python.interpreter} bin/behave -f progress3 --stop --tags='~@xfail' tools/test-features/
  
positive.code:     homepage = "https://github.com/behave/behave";
      description = "behaviour-driven development, Python style";
      license = licenses.bsd2;
      maintainers = with maintainers; [ alunduil ];
    };
  }
  
negative.code: { stdenv, fetchFromGitHub
  , buildPythonApplication, python
  , mock, pathpy, pyhamcrest, pytest, pytest-html
  , glibcLocales
  , colorama, cucumber-tag-expressions, parse, parse-type, six
  }:
  
  buildPythonApplication rec {
    pname = "behave";
    version = "1.2.7.dev1";
  
    src = fetchFromGitHub {
      owner = "behave";
      repo = pname;
      rev = "v${version}";
      sha256 = "1ssgixmqlg8sxsyalr83a1970njc2wg3zl8idsmxnsljwacv7qwv";
    };
  
    checkInputs = [ mock pathpy pyhamcrest pytest pytest-html ];
    buildInputs = [ glibcLocales ];
    propagatedBuildInputs = [ colorama cucumber-tag-expressions parse parse-type six ];
  
    postPatch = ''
      patchShebangs bin
  