code: def __init__(self, *args, **kwargs):
      app.Canvas.__init__(self, *args, **kwargs)
      self.title = "App demo"
  
file_path: vispy/examples/tutorial/app/app_events.py
imports: from vispy import gloo, app
label_desc: Use image node_id 1 to create a new Canvas object from inherited base classes: app with example: obj = Canvas()