Update app.py

app.py

@@ -78,9 +78,6 @@ DATA_FILENAME = "level2.json"
 HF_TOKEN = os.environ.get("HF_TOKEN")
 st.write("is none?", HF_TOKEN is None)
 
-HfApi().delete_file(path_in_repo = DATA_FILENAME ,repo_id = 'Seetha/Visualization',token= HF_TOKEN,repo_type='dataset')
-st.write('file-deleted')
-
 def main():
 
   st.title("Text to Causal Knowledge Graph")
@@ -483,6 +480,9 @@ def main():
             'target': col,
             'value': int(df_tab.loc[row, col])
         })
+
+  HfApi().delete_file(path_in_repo = DATA_FILENAME ,repo_id = 'Seetha/Visualization',token= HF_TOKEN,repo_type='dataset')
+  st.write('file-deleted')
   fs = HfFileSystem(token=HF_TOKEN)
   with fs.open('datasets/Seetha/Visualization.json', 'w') as f:
     json.dump(json_data, f)