context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
context.load_cert_chain(cert_fname, pkey_fname)
if sys.version_info >= (3, 7):
context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH)
context.load_cert_chain(cert_fname, pkey_fname)
if sys.version_info >= (3, 7):