def _get_openssl_crypto_module():
    try:
        from OpenSSL import crypto
    except __HOLE__:
        raise TypeError('Using ad-hoc certificates requires the pyOpenSSL '
                        'library.')
    else:
        return crypto
dataset/ETHPy150Open GoogleCloudPlatform/appengine-flask-skeleton/lib/werkzeug/serving.py/_get_openssl_crypto_module