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