anchor.diff:      };
     };
   
  +  shouldbe = buildPythonPackage rec {
  +    version = "0.1.0";
  +    name = "shouldbe-${version}";
  +
  +    src = pkgs.fetchurl {
  +      url = "http://pypi.python.org/packages/source/s/shouldbe/${name}.tar.gz";
  +      sha256 = "07pchxpv1xvjbck0xy44k3a1jrvklg0wbyccn14w0i7d135d4174";
  +    };
  +
  +    buildInputs = with self; [ nose ];
  +
  +    propagatedBuildInputs = with self; [ forbiddenfruit ];
  +
  +    doCheck = false;  # Segmentation fault on py 3.5
  +
  +    meta = {
  +      description = "Python Assertion Helpers inspired by Shouldly";
  +      homepage =  https://pypi.python.org/pypi/shouldbe/;
  +      license = licenses.mit;
  +    };
  +  };
   
     simplejson = buildPythonPackage (rec {
       name = "simplejson-3.8.1";
  
positive.code:     };
    });
  
    fs = buildPythonPackage rec {
      name = "fs-0.5.4";
  
  
negative.code:     propagatedBuildInputs = with self; [pkgs.openldap pkgs.cyrus_sasl pkgs.openssl];
    };
  
    ldap3 = buildPythonPackage rec {
      version = "1.0.4";
      name = "ldap3-${version}";
  
      src = pkgs.fetchurl {
        url = "https://pypi.python.org/packages/source/l/ldap3/${name}.tar.gz";
        sha256 = "0j4qqj9vq022hy7wfqn8s0j4vm2g6paabbzas1vbyspawvcfai98";
      };
  
      buildInputs = with self; [ gssapi ];
  
      propagatedBuildInputs = with self; [ pyasn1 ];
  
      meta = {
        homepage = https://pypi.python.org/pypi/ldap3;
        description = "A strictly RFC 4510 conforming LDAP V3 pure Python client library";
        license = licenses.lgpl3;
      };
    };
  
    ptest = buildPythonPackage rec {
      name = pname + "-" + version;
      pname = "ptest";
  