fill_defaults_from_pydantic
fill_defaults_from_pydantic(
     df ,
     base_model: type[BaseModel] ,
 )
Fill missing columns in dataframe with defaults from base_model.
If the missing column has no default value, raise ValueError.
Parameters
| Parameter | Description | 
|---|---|
| df | A dataframe | 
| base_model | A pydantic BaseModel | 
