message: Remove unused circular dependencies
diff: @@ -48,15 +48,6 @@ from tensorflow.python.util import nest
  from tensorflow.python.util import object_identity
  from tensorflow.python.util import tf_contextlib
  from tensorflow.python.util import tf_decorator
  -from tensorflow.python.util.lazy_loader import LazyLoader
  -
  -# This is to avoid a circular dependency:
  -# function -> func_graph
  -function = LazyLoader("function", globals(),
  - "tensorflow.python.eager.function")
  -def_function = LazyLoader(
  - "def_function", globals(),
  - "tensorflow.python.eager.def_function")
  WHITELIST_COLLECTIONS = [
  ops.GraphKeys.GLOBAL_VARIABLES,
  