Update app.py

app.py

@@ -102,7 +102,7 @@ def show_results_tab(df):
             newdf = newdf[newdf['TEMP'] == True] 
             newdf.pop('TEMP')
             for i in range(len(newdf)):
-                df.at[i, 'Index'] = i+1
+                df.loc[i, 'Index'] = i+1
         return newdf