When we want to use parameter `local_param` in class `Task`, have to use ```py local_params = { "prop": "n", "direct": "IN", "type": "VARCHAR", "value": "${n}" } ``` that is not pythonic and even a little ugly, we should make it more pythonic and easy to use
When we want to use parameter
local_paramin classTask, have to usethat is not pythonic and even a little ugly, we should make it more pythonic and easy to use