old_contents: import os
  from channels.asgi import get_channel_layer
  
  os.environ.setdefault("DJANGO_SETTINGS_MODULE", "my_project.settings")
  
  channel_layer = get_channel_layer()
  
new_contents: import os
  from channels.asgi import get_channel_layer
  
  os.environ.setdefault("DJANGO_SETTINGS_MODULE", "testproject.settings")
  channel_layer = get_channel_layer()
  
subject: Correct project name in testproject.asgi