@classmethod
    def dbapi(cls):
        module = __import__('pymssql')
        # pymmsql < 2.1.1 doesn't have a Binary method.  we use string
        client_ver = tuple(int(x) for x in module.__version__.split("."))
        if client_ver < (2, 1, 1):
            # TODO: monkeypatching here is less than ideal
            module.Binary = lambda x: x if hasattr(x, 'decode') else str(x)

        if client_ver < (1, ):
            util.warn("The pymssql dialect expects at least "
                      "the 1.0 series of the pymssql DBAPI.")
        return module
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/dialects/mssql/pymssql.py/MSDialect_pymssql.dbapi/original