changed camera w and h to match buffer

app/bot.py

@@ -84,8 +84,8 @@ class DailyVision(EventHandler):
     def setup_camera(self, video_frame):
         if not self.__camera:
             self.__camera = Daily.create_camera_device("camera",
-                                                       width = video_frame.width,
-                                                       height = video_frame.height,
+                                                       width = 640,
+                                                       height = 480,
                                                        color_format="RGBA")
             self.__client.update_inputs({
                 "camera": {