pymssql.OperationalError: (111, b"'CREATE FUNCTION' must be the first statement in a query batch.DB-Lib error message 20018, severity 15:\nGeneral SQL Server error: Check messages from the SQL Server\nDB-Lib error message 20018, severity 15:\nGeneral SQL Server error: Check messages from the SQL Server\nDB-Lib error message 20018, severity 15:\nGeneral SQL Server error: Check messages from the SQL Server\n")