anchor.diff:          mv pypi2nix*/src/pypi2nix       $out/pkgs/pypi2nix
         fi
       fi
  +  '';
  +
  +  patchPhase = ''
  +    sed -i -e "s|default='nix-shell',|default='${nix.out}/bin/nix-shell',|" $out/pkgs/pypi2nix/cli.py
  +    sed -i -e "s|nix-prefetch-git|${nix-prefetch-scripts}/bin/nix-prefetch-git|" $out/pkgs/pypi2nix/stage2.py
     '';
   
     commonPhase = ''
  
positive.code:   };
  
    requests = fetchurl {
      url = "https://pypi.python.org/packages/2e/ad/e627446492cc374c284e82381215dcd9a0a87c4f6e90e9789afefe6da0ad/requests-2.11.1.tar.gz";
      sha256 = "0cx1w7m4cpslxz9jljxv0l9892ygrrckkiwpp2hangr8b01rikss";
    };
  
  in stdenv.mkDerivation rec {
  
negative.code: { stdenv, fetchurl, python, zip, makeWrapper, nix, nix-prefetch-scripts
  }:
  
  let
  
    version = "1.6.0";
  
    src = fetchurl {
      url = "https://github.com/garbas/pypi2nix/archive/v${version}.tar.gz";
      sha256 = "08iad1ad2gnvsnd66ddw3lff19ms2yly4iq63c8800j603d0pdhn";
    };
  
    click = fetchurl {
  