def load_creds(profile: Optional[str] = None) -> ReadOnlyCredentials:
session = mk_boto_session(profile=profile)
creds = get_creds_with_retry(session)
if creds is None:
raise ValueError("Failed to obtain credentials")
return creds.get_frozen_credentials()
def test_creds_with_retry():
session = mock.MagicMock()
session.get_credentials = mock.MagicMock(return_value=None)
assert get_creds_with_retry(session, 2, 0.01) is None
assert session.get_credentials.call_count == 2