Update app.py

app.py

@@ -78,6 +78,9 @@ class AnnotationManager:
         print(f"Total examples: {self.total}")
 
         try:
+            if os.path.exists(human2_annotation_file):
+                os.remove(human2_annotation_file)
+                
             huggingface_hub.hf_hub_download(
                 repo_id="Iker/NoticIA_Human_Validation",
                 repo_type="dataset",