Reloads should work in py-shiny.

Author: filipstachura

examples/python/app.py

@@ -48,8 +48,9 @@ def param():
 
   @reactive.effect
   async def redirect():
-    input.click()
-    # await session.send_custom_message("_shiny_router_change_url", {"url": "elo"})
+    counter = input.click()
+    if counter:
+      await session.send_custom_message("_shiny_router_change_url", {"url": "elo"})
 
 
 app = App(app_ui, server)

inst/www/shiny.router.js

@@ -62,4 +62,4 @@ const change_url = function(message) {
   window.location.hash = url;
 }
 
-Shiny.addCustomMessageHandler("_shiny_router_change_url", change_url);
+Shiny.addCustomMessageHandler("_shiny_router_change_url", change_url);