docs: def update_note(note, **kwargs):
      """
      Update a note
      """
      note_i = _get_note(note.id)
  
      if note.ref_key != note_i.ref_key:
          raise HydraError("Cannot convert a %s note to a %s note. Please create a new note instead."%(note_i.ref_key, note.ref_key))
  
      note_i.set_ref(note.ref_key, note.ref_id)
  
      note_i.value = note.value
  
      db.DBSession.flush()
  
      return note_i