Fix apply chat template

spanish_medica_llm.py

@@ -717,7 +717,7 @@ def run_finnetuning_process():
                                 remove_columns = [col for col in medicalSpanishDataset.features if col not in ['raw_text']],
                                 desc = 'Applying chat template'
                             )
-    medicalSpanishDataset = tokenizer.apply_chat_template(medicalSpanishDataset, tokenize=False)
+
     medicalSpanishDataset = medicalSpanishDataset.train_test_split(0.2, seed=203984)
     train_dataset, eval_dataset, test_dataset = splitDatasetInTestValid(  medicalSpanishDataset )