@classmethod
    def dbapi(cls):
        try:
            from pysqlite2 import dbapi2 as sqlite
        except ImportError as e:
            try:
                from sqlite3 import dbapi2 as sqlite  # try 2.5+ stdlib name.
            except __HOLE__:
                raise e
        return sqlite
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/dialects/sqlite/pysqlite.py/SQLiteDialect_pysqlite.dbapi