code: def remove_usb_device_source(self, id_p):
          
          if not isinstance(id_p, basestring):
              raise TypeError("id_p can only be an instance of type basestring")
          self._call("removeUSBDeviceSource",
                       in_p=[id_p])
docs: Removes a previously added USB device source.
  
          in id_p of type str
              The identifier used when the source was added.