Update Tuberculosis_Dataset.py

Tuberculosis_Dataset.py

@@ -80,7 +80,8 @@ class TuberculosisDataset(GeneratorBasedBuilder):
 
         # Yield examples
         for idx, row in merged_df.iterrows():
-            image_file = image_file_paths.get(row["case_id"])[0]
+            image_file = None if image_file is None else image_file[0]
+            
             yield idx, {
                 "case_id": row["case_id"],
                 "gender": row["gender"],