Update app.py

app.py

@@ -136,7 +136,7 @@ with demo:
             d3_button.click(d3_js, inputs=[], outputs=d3_output,api_name='d3_js')
         with gr.TabItem("pygal"):
             pyga_button=gr.Button("pygal>>")
-            pyga_output=[gr.File(label="pygal_chart"),gr.Textbox(label="pygal_chart1",lines=10),gr.Textbox(label="pygal_chart2",lines=3),gr.Markdown(label="html渲染")]
+            pyga_output=[gr.File(label="pygal_chart"),gr.Textbox(label="pygal_chart1",lines=10),gr.Textbox(label="pygal_chart2",lines=3),gr.HTML(label="html渲染")]
             pyga_button.click(pygalc, inputs=[], outputs=pyga_output,api_name='pygal')
 
         with gr.TabItem("echarts"):