anchor.diff:      meta = {
         maintainers = with maintainers; [ domenkozar ];
         platforms = platforms.all;
  +      # Two versions of sqlalchemy in closure
  +      broken = true;
       };
     };
   
  
positive.code:       self.pyramid_jinja2
        self.pyramid_tm
        self.pytz
        self.sqlalchemy8
        self.transaction
        self.waitress
        self.webhelpers
        self.psycopg2
        (self.zope_sqlalchemy.override rec {propagatedBuildInputs = with self; [ sqlalchemy8 transaction ];})
      ];
  
      postInstall = ''
  
negative.code:     rope = if isPy3k then null else self.rope;
    };
  
  
  
    sqlalchemy = buildPythonPackage rec {
      name = "SQLAlchemy-${version}";
      version = "1.0.15";
  
  