anchor.diff:      };
     };
   
  +  lmdb = buildPythonPackage rec {
  +    pname = "lmdb";
  +    version = "0.92";
  +    name = "${pname}-${version}";
  +
  +    src = self.fetchPypi {
  +      inherit pname version;
  +      sha256 = "01nw6r08jkipx6v92kw49z34wmwikrpvc5j9xawdiyg1n2526wrx";
  +    };
  +  };
  +
     logilab_astng = buildPythonPackage rec {
       name = "logilab-astng-0.24.3";
   
  
positive.code:       homepage = http://bitbucket.org/zzzeek/alembic;
        description = "A database migration tool for SQLAlchemy";
        license = licenses.mit;
      };
    };
  
  
negative.code:       platforms = platforms.all;
        maintainers = with maintainers; [ berdario ];
      };
    };
  
    pex = buildPythonPackage rec {
      name = "pex-${version}";
      version = "1.2.2";
  
      src = self.fetchPypi {
        pname  = "pex";
        sha256 = "1nwrf03cd6jw24lxyaalj59fdm2infr9glabznkpaq65mjzwshl3";
        inherit version;
      };
  
      # A few more dependencies I don't want to handle right now...
      doCheck = false;
    };
  
    pies = buildPythonPackage rec {
  