code: def init(self, conn):
          
          base = self.read_scripts()[0]['fname']
          logging.info('Creating the initial schema from %s',  base)
          apply_sql_script(conn, os.path.join(self.upgrade_dir, base))
          self.install_versioning(conn)
docs: Create the version table and run the base script on an empty database.
  
          :param conn: a DB API 2 connection