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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def inspect(self):
 """ Fetches image information from the client. """

        policy = self.policy
        image_name = format_image_tag((self.config_id.config_name, self.config_id.instance_name))
        image_id = policy.images[self.client_name].get(image_name)
        if image_id:
            self.detail = {'Id': image_id}   # Currently there is no need for actually inspecting the image.
        else:
            self.detail = NOT_FOUND