code: def double_check_attribute(object, setter, backup_attribute, custom_error_text=None):
      
      if not setter:
          next_checker = getattr(object, backup_attribute)
          if not next_checker:
              if custom_error_text:
                  raise ValueError(custom_error_text)
              else:
                  raise ValueError('Attribute replacing "{}" must be specified'.format(backup_attribute))
docs: Check if a parameter to be used is None, if it is, then check the specified backup attribute and throw
      an error if it is also None.
  
      Args:
          object: The original object
          setter: Any input object
          backup_attribute (str): Attribute in <object> to be double checked
          custom_error_text (str): If a custom string for the error should be raised
  
      Raises:
           ValueError: If both setter and backup_attribute are None