Error for model code

[hyewonmin]

I followed the instructions in the README, but I encounter an error when running the model code. Why might this be happening?
my python version is 3.11.4.

24-04-12 13:57:40 - [INFO]: 16 CPU cores will be allocated in parallel running
24-04-12 13:57:40 - C4.5 tree is going to be built...

ImportError Traceback (most recent call last)
Cell In[4], line 1
----> 1 model = chef.fit(df, config = config, target_label = 'Decision')

File c:\Users\heaop\Documents\GitHub\chefboost\Chefboost.py:275, in fit(df, config, target_label, validation_df, silent)
272 json_file = "outputs/rules/rules.json"
273 functions.createFile(json_file, "[\n")
--> 275 trees = Training.buildDecisionTree(
276 df,
277 root=root,
278 file=file,
279 config=config,
280 dataset_features=dataset_features,
281 parent_level=0,
282 leaf_id=0,
283 parents="root",
284 validation_df=validation_df,
285 main_process_id=process_id,
286 )
288 if silent is False:
289 logger.info("-------------------------")

File c:\Users\heaop\Documents\GitHub\chefboost\training\Training.py:712, in buildDecisionTree(df, root, file, config, dataset_features, parent_level, leaf_id, parents, tree_id, validation_df, main_process_id)
703 if (
...
---> 20 raise ImportError(f"Module '{module_name}' not found")
22 module = importlib.util.module_from_spec(spec)
23 spec.loader.exec_module(module)

ImportError: Module 'outputs/rules/rules' not found