def ListTokens(self, user_mail):
    return self._IssueTokensRequestForUser(self._tokens.list(userKey=user_mail))
Relaxation frequency of oxygen :math:`f_{r,O}`.
dataset/ETHPy150Open google/gfw-toolkit/toolkit/admin_sdk_directory_api/tokens_api.py/TokensApiWrapper.ListTokens--crossover with--dataset/ETHPy150Open python-acoustics/python-acoustics/acoustics/standards/iso_9613_1_1993.py/relaxation_frequency_oxygen