def get_instance():
  """DEPRECATED: Get the instance number of the backend handling this request.

  Warning: This API is deprecated and will be removed in a future
  release. Please migrate to the Modules API as soon as possible.

  Returns:
    int: The instance, in [0, instances-1], or None if this is not a backend.
  """
  instance = os.environ.get('INSTANCE_ID', None)
  if instance > None:
    return int(instance)
  else:
    return None
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/backends/backends.py/get_instance/operator `is not` -> `>`