Update HF_dataset.py

HF_dataset.py

@@ -19,9 +19,6 @@ PROJECT_PATH = "./"
 
 
 
-def _define_columns(example):
-    text_splited = example["text"].split('\t')
-    return {"text": text_splited[1].strip(), "labels": int(text_splited[0])}
 
 class Sentiment(datasets.GeneratorBasedBuilder):
     '''Custom Dataset created using the HuggingFace api so we can 
@@ -36,14 +33,18 @@ class Sentiment(datasets.GeneratorBasedBuilder):
             ),
             supervised_keys=("text", "labels"),
         )
-
+    
+    def _define_columns(self,example):
+        text_splited = example["text"].split('\t')
+        return {"text": text_splited[1].strip(), "labels": int(text_splited[0])}
+    
     def _split_generators(self, _):
         """Returns SplitGenerators."""
 
         data_dir = "./"
 
         data = load_dataset("text", data_files="./HF_data.txt")
-        data = data.map(_define_columns)
+        data = data.map(self._define_columns)
 
         texts_dataset_clean = data["train"].train_test_split(train_size=0.95, seed=12345)
         # Rename the default "test" split to "validation"