fix(api): only begin/end state in lock

        if populate.sampler_name:

            populate.sampler_index = None  # prevent a warning later on

        p = StableDiffusionProcessingTxt2Img(**vars(populate))

        # Override object param

        shared.state.begin()

        with self.queue_lock:

            shared.state.begin()

            processed = process_images(p)

            shared.state.end()

        b64images = list(map(encode_pil_to_base64, processed.images))

        return TextToImageResponse(images=b64images, parameters=vars(txt2imgreq), info=processed.js())

        p.init_images = [decode_base64_to_image(x) for x in init_images]

        shared.state.begin()

        with self.queue_lock:

            shared.state.begin()

            processed = process_images(p)

            shared.state.end()

        b64images = list(map(encode_pil_to_base64, processed.images))