def get_version():
    version = {}
    with open("bqueryd/version.py") as fp:
        exec (fp.read(), version)
    return version
def __update_covariance(self, means, rc, mc):
        covariance = 0.0
        for index_point in range(len(self.__data)):
            deviation = numpy.array([self.__data[index_point] - means])
            covariance += rc[index_point] * deviation.T.dot(deviation)