code: def remove_usb_controller(self, name):
          
          if not isinstance(name, basestring):
              raise TypeError("name can only be an instance of type basestring")
          self._call("removeUSBController",
                       in_p=[name])
docs: Removes a USB controller from the machine.
  
          in name of type str
  
          raises :class:`VBoxErrorObjectNotFound`
              A USB controller with given type doesn't exist.