code: def not_empty(self):
      return len(self._tasks) != 0
  
imports: import sys
  from typing import Any, Union, Optional
  from rich.progress import Progress, Console, GetTimeCallable, get_console, TaskID, Live, Text, ProgressSample
  from rich.progress import ProgressColumn, TimeRemainingColumn, BarColumn, TimeElapsedColumn, TextColumn
  from fastNLP.envs import get_global_rank
  from .utils import is_notebook
label_desc: Use image node_id 11 for calling the FRichProgress obj's underlying member method code with example usage: obj.not_empty() and returns: unknown