Django get image data instead of image url snippet

get_image_data.py

def get_image_data(request, id):
    person = Person.objects.get(id=id)
    try:
        image_data = persion.image.open().read()
    except FileNotFoundError:
        raise FileNotFoundError('File not found')

    content_type = mimetypes.guess_type(person.image.path)
    return HttpResponse(image_data, content_type=content_type)