Update app.py

app.py

@@ -45,7 +45,7 @@ with demo:
         y_value = gr.Dropdown(choices = ['Taraf', 'Hadith', 'Isnad', 'Ranking'], value = 'Taraf', label = 'Y Axis')
         city = gr.Dropdown(choices = cities, value = ['المدينه', 'بغداد', 'كوفة', 'بصرة'], multiselect=True)
         begining = gr.Slider(min_year, max_year, value = 0, label = 'Begining', info = 'Choose the first year to display Tarafs') 
-        end = gradio.Slider(min_year, max_year, value = 400, label = 'End', info = 'Choose the last year to display Tarafs')
+        end = gr.Slider(min_year, max_year, value = 400, label = 'End', info = 'Choose the last year to display Tarafs')
         btn = gr.Button("Plot")
         btn.click(plot_timeline, [y_value,city, begining, end], gr.Plot())
 demo.launch()