old_contents: # -----------------------------------------------------------------------------
  # Copyright © 2009- The Spyder Development Team
  #
  # Licensed under the terms of the MIT License
  # (see LICENSE.txt for details)
  # -----------------------------------------------------------------------------
  
  """
  Provides QtWebEngineQuick classes and functions.
  """
  
  from . import PYQT5, PYQT6, PYSIDE2, PYSIDE6, PythonQtError
  
  if PYQT5:
      raise PythonQtError('QtWebEngineQuick not implemented in PyQt5')
  elif PYQT6:
      try:
          from PyQt6.QtWebEngineQuick import *
      except ImportError as error:
          raise PythonQtError(
              'The QtWebEngineQuick module was not found. '
              'It needs to be installed separately for PyQt6.'
              ) from error
  elif PYSIDE2:
      raise PythonQtError('QtWebEngineQuick not implemented in PySide2')
  elif PYSIDE6:
      from PySide6.QtWebEngineQuick import *
  else:
      raise PythonQtError('No Qt bindings could be found')
  
new_contents: # -----------------------------------------------------------------------------
  # Copyright © 2009- The Spyder Development Team
  #
  # Licensed under the terms of the MIT License
  # (see LICENSE.txt for details)
  # -----------------------------------------------------------------------------
  
  """
  Provides QtWebEngineQuick classes and functions.
  """
  
  from . import PYQT5, PYQT6, PYSIDE2, PYSIDE6, PythonQtError
  
  if PYQT5:
      raise PythonQtError('QtWebEngineQuick not implemented in PyQt5')
  elif PYQT6:
      try:
          from PyQt6.QtWebEngineQuick import *
      except ModuleNotFoundError as error:
          raise QtModuleNotInstalledError(
              name='QtWebEngineQuick', binding=API_NAME, missing_package='PyQt6-WebEngine'
          ) from error
  elif PYSIDE2:
      raise PythonQtError('QtWebEngineQuick not implemented in PySide2')
  elif PYSIDE6:
      from PySide6.QtWebEngineQuick import *
  else:
      raise PythonQtError('No Qt bindings could be found')
  
subject: Replace generic PythonQtError with QtModuleNotInstalledError