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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 get_image_entrypoint(image):
    '''Gets the image entrypoint'''
    info = docker_inspect_or_pull(image)
    try:
        return info['Config']['Entrypoint']
    except KeyError as ke:
        raise DockerError('Failed to inspect image: JSON result missing key {}'.format(ke))