old_contents: # -*- coding: utf-8 -*-
  """DEPRECATED: old import location of TerminalInteractiveShell"""
  
  # Copyright (c) IPython Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from warnings import warn
  
  from IPython.utils.decorators import undoc
  from .ptshell import TerminalInteractiveShell as PromptToolkitShell
  
  @undoc
  class TerminalInteractiveShell(PromptToolkitShell):
      def __init__(self, *args, **kwargs):
          warn("This is a deprecated alias for IPython.terminal.ptshell.TerminalInteractiveShell. "
               "The terminal interface of this class now uses prompt_toolkit instead of readline.",
               DeprecationWarning, stacklevel=2)
          PromptToolkitShell.__init__(self, *args, **kwargs)
  
new_contents: # -*- coding: utf-8 -*-
  """DEPRECATED: old import location of TerminalInteractiveShell"""
  
  # Copyright (c) IPython Development Team.
  # Distributed under the terms of the Modified BSD License.
  
  from warnings import warn
  
  from IPython.utils.decorators import undoc
  from .ptshell import TerminalInteractiveShell as PromptToolkitShell
  
  warn("Since IPython 5.0 `IPython.terminal.interactiveshell` is deprecated in favor of `IPython.terminal.ptshell`.",
        DeprecationWarning)
  
  @undoc
  class TerminalInteractiveShell(PromptToolkitShell):
      def __init__(self, *args, **kwargs):
          warn("Since IPython 5.0 this is a deprecated alias for IPython.terminal.ptshell.TerminalInteractiveShell. "
               "The terminal interface of this class now uses prompt_toolkit instead of readline.",
               DeprecationWarning, stacklevel=2)
          PromptToolkitShell.__init__(self, *args, **kwargs)
  
subject: Improve deprecation warning.