class_docstr: Note:
      You should use :meth:`labml.logger.iterate`
      or :meth:`labml.monit.enum` to create iterators
      and enumerators.
code: def get_estimated_time(self) -> float:
      if self._section:
          return self._section.get_estimated_time()
      else:
          return 0
  
file_path: labml/client/labml/internal/monitor/iterator.py
imports: import typing
  from typing import Optional, Iterable, TYPE_CHECKING
  from .sections import Section
label_desc: Use image node_id 2 for calling the Iterator obj's underlying member method code with example usage: obj.get_estimated_time() and returns: self, int