code: def base_image_inspect(self):
          
          if self._base_image_inspect is None:
  
              if self.base_from_scratch:
                  self._base_image_inspect = {}
              elif self.parents_pulled or self.custom_base_image:
                  try:
                      self._base_image_inspect = self.tasker.inspect_image(self.base_image)
  
                  except docker.errors.NotFound:
                      # If the base image cannot be found throw KeyError -
                      # as this property should behave like a dict
                      raise KeyError("Unprocessed base image Dockerfile cannot be inspected")
              else:
                  self._base_image_inspect =\
                      atomic_reactor.util.get_inspect_for_image(self.base_image,
                                                                self.base_image.registry,
                                                                self.base_image_insecure,
                                                                self.base_image_dockercfg_path)
  
              base_image_str = str(self.base_image)
              if base_image_str not in self._parent_images_inspect:
                  self._parent_images_inspect[base_image_str] = self._base_image_inspect
  
          return self._base_image_inspect
docs: inspect base image
  
          :return: dict