Update app.py

app.py

@@ -705,10 +705,12 @@ with tab3:
             working_data['Date'] = pd.to_datetime(working_data['Date'])
             working_data = working_data.set_index('Date')
             working_data = working_data[plot_var1].rolling('5D').mean()
+            working_data = working_data.reset_index()
         elif date_var_3 == '10-day Averages':
             working_data['Date'] = pd.to_datetime(working_data['Date'])
             working_data = working_data.set_index('Date')
             working_data = working_data[plot_var1].rolling('10D').mean()
+            working_data = working_data.reset_index()
         else:
             working_data = working_data