Update app.py

app.py

@@ -84,7 +84,7 @@ def pygalc():
     bb=aa.render(is_unicode=True)
     cc=aa.render_data_uri()
     aa.render_to_file("test.svg") 
-    return 'test.svg',bb,cc
+    return 'test.svg',bb,cc,bb
     
 demo=gr.Blocks()
 with demo:
@@ -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)]
+            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_button.click(pygalc, inputs=[], outputs=pyga_output,api_name='pygal')
 
         with gr.TabItem("echarts"):