code: def if_no_repeat(event):
      """Callable that returns True when the previous event was delivered to
      another handler."""
      return not event.is_repeat
  
file_path: catboost/contrib/python/prompt-toolkit/py2/prompt_toolkit/key_binding/bindings/basic.py
imports: from __future__ import unicode_literals
  from prompt_toolkit.enums import DEFAULT_BUFFER
  from prompt_toolkit.filters import HasSelection, Condition, EmacsInsertMode, ViInsertMode
  from prompt_toolkit.keys import Keys
  from prompt_toolkit.layout.screen import Point
  from prompt_toolkit.mouse_events import MouseEventType, MouseEvent
  from prompt_toolkit.renderer import HeightIsUnknownError
  from prompt_toolkit.utils import suspend_to_background_supported, is_windows
  from .named_commands import get_by_name
  from ..registry import Registry
label_desc: Use image node_id 1 for calling a global function with example usage: if_no_repeat(event) and returns: unknown