anchor.diff:      preConfigure = optionalString isPy3k ''
         python3 sa2to3.py --no-diffs -w lib test examples
       '';
  +    propagatedBuildInputs = [self.pysqlite];
     };
   
     sqlalchemy8 = self.sqlalchemy9.override rec {
  
positive.code:     preConfigure = optionalString isPy3k ''
        python3 sa2to3.py --no-diffs -w lib test examples
      '';
    };
  
    sqlalchemy9 = buildPythonPackage rec {
  
negative.code: 
      buildInputs = with self; [ nose mock pysqlite ];
  
      propagatedBuildInputs = with self; [ modules.sqlite3 pysqlite ];
  
      checkPhase = ''
        ${python.executable} sqla_nose.py
  