clean up some format strings

expand obs example

examples/obs/__main__.py

@@ -11,23 +11,37 @@ from obswebsocket import events, obsws
 
 def on_start():
     vm.strip[0].mute = True
+    vm.strip[1].B1 = True
+    vm.strip[2].B2 = True
 
 
 def on_brb():
     vm.strip[7].fadeto(0, 500)
+    vm.bus[0].mute = True
 
 
 def on_end():
-    vm.strip[0].mute = True
+    vm.apply(
+        {
+            "strip-0": {"mute": True},
+            "strip-1": {"mute": True, "B1": False},
+            "strip-2": {"mute": True, "B1": False},
+            "vban-in-0": {"on": False},
+        }
+    )
 
 
 def on_live():
     vm.strip[0].mute = False
     vm.strip[7].fadeto(-6, 500)
+    vm.strip[7].A3 = True
+    vm.vban.instream[0].on = True
 
 
 def on_switch(message):
     scene = message.getSceneName()
+    print(f"Switched to scene {scene}")
+
     match scene:
         case "START":
             on_start()