message: [tfdbg] Fix logging.warn() call in dumping_callbacks.py.
diff: @@ -312,10 +312,10 @@ def enable_dumping(dump_root,
  if (hasattr(_state, "config") and
  _state.config.circular_buffer_size != circular_buffer_size):
  - logging.warning(
  + logging.warn(
  "There is already a dumping callback configured with a different "
  "circular-buffer size (%d). Therefore the newly request "
  - "circular-buffer size will not be honored.",
  + "circular-buffer size (%d) will not be honored.",
  _state.config.circular_buffer_size, circular_buffer_size)
  if not hasattr(_state, "config") or _state.config.dump_root != dump_root:
  _state.config = TracingConfig(
  