Update app2.py

app2.py

@@ -16,6 +16,10 @@ class MainBody(param.Parameterized):
         pn.Row(pn.layout.Spacer(height=10)),
         pn.Column(pn.pane.LaTeX("Please select some tags!", styles={'font-size': '20pt', 'font-weight': 'bold'}))
     ])
+    
+    @param.depends("main_body")
+    def update(self):
+        return pn.Column(pn.layout.Spacer(height=10),*self.main_body)
         
 main_body_instance = MainBody()