Update app.py

app.py

@@ -42,7 +42,7 @@ def store_message(name: str, message: str, outputfileName: str):
                 {"time": str(datetime.now()), "message": message.strip(), "name": name.strip()  }
             )
         df = pd.read_csv(savePath)
-        df = df.sort_values(by="time",ascending=False)
+        df = df.sort_values(df.columns[0],ascending=False)
     return df
 
 mname = "facebook/blenderbot-400M-distill"