code: def bios_image(self, bios_image):
          
          self._bios_image = self.manager.get_abs_image_path(bios_image)
          log.info('QEMU VM "{name}" [{id}] has set the QEMU bios image path to {bios_image}'.format(name=self._name,
                                                                                                     id=self._id,
                                                                                                     bios_image=self._bios_image))
docs: Sets the bios image for this QEMU VM.
  
          :param bios_image: QEMU bios image path