Update app.py

app.py

@@ -225,7 +225,7 @@ def show_results_tab(df):
 
     def download_table():
         newdf, modellist, datasetlist = make_results_tab(model_info, results)
-        return newdf.to_csv(index=False)
+        return newdf.to_csv('df.csv',index=False,sep=',',encoding='utf-8',header=True)
         
     download_btn = gr.File(visible=True)