Update app.py

app.py

@@ -77,6 +77,13 @@ def plot_seir(name):
             yaxis_title="People")
     return fig
 
-graph = gr.Plot()
-iface = gr.Interface(fn=plot_seir, inputs="text", outputs=graph)
-iface.launch()
+with gr.Blocks() as demo:
+    gr.Markdown("""
+                ## Epidemic Simulation
+            """)
+    title_input = gr.Textbox(label = 'Enter title')
+    simulate_btn = gr.Button('Simulation')
+    graph = gr.Plot()
+    simulate_btn.click(plot_seir, inputs = title_input, outputs = graph)
+
+demo.launch()