Serverless not returning error

def handler(event):
    try:
        logger.info('validating input')
        validated_input = validate(event['input'], INPUT_SCHEMA)
        text = "Here is my input: {}".format(validated_input)
        logger.info(text)
        if 'errors' in validated_input:
            return {
                'error': validated_input['errors']
            }
        logger.info('running inferance')
        data = inferance_api(validated_input['validated_input'])

Failed to return job results. | 400, message='Bad Request', url=URL('https://api.runpod.ai/v2/66w85qdd7bcp4t/job-done/8i26p55unhx4my/6843025a-7bbb-48ad-9da3-1b7b569c8d84-e1?gpu=NVIDIA+RTX+A5000&isStream=false')