@classmethod
    def init_conn(cls):
        try:
            vertica_python
        except __HOLE__:
            raise DbError('Vertica module not found/loaded. Please make sure all dependencies are installed\n')

        cls.conn = cls.conn()
        cls.cursor = cls.conn.cursor()

        cls.conn_initialized = True
        return cls
dataset/ETHPy150Open appnexus/schema-tool/schematool/db/_vertica.py/VerticaDb.init_conn