code: def vi_mode() -> bool:
      return get_app().editing_mode == EditingMode.VI
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, cast
  from prompt_toolkit.application.current import get_app
  from prompt_toolkit.cache import memoized
  from prompt_toolkit.enums import EditingMode
  from .base import Condition
label_desc: Use image node_id 15 for calling a global function with example usage: vi_mode() and returns: unknown