content: """Module replicating the qutip_qip package from within qutip."""
  import sys
  
  try:
      import qutip_qip
      del qutip_qip
      sys.modules["qutip.qip"] = sys.modules["qutip_qip"]
  except ImportError:
      raise ImportError(
          "Importing 'qutip.qip' requires the 'qutip_qip' package. Install it "
          "with `pip install qutip-qip` (for more details, go to "
          "https://qutip-qip.readthedocs.io/)."
      )
  