content: from __future__ import annotations
  
  import warnings
  
  
  warnings.warn(  # deprecated in 14.0 - 2024-11-09
      "websockets.legacy is deprecated; "
      "see https://websockets.readthedocs.io/en/stable/howto/upgrade.html "
      "for upgrade instructions",
      DeprecationWarning,
  )
  