def cunifvariate(self, mean, arc):
        """Circular uniform distribution.

        mean is the mean angle, and arc is the range of the distribution,
        centered around the mean angle.  Both values must be expressed in
        radians.  Returned values range between mean - arc/2 and
        mean + arc/2 and are normalized to between 0 and pi.

        Deprecated in version 2.3.  Use:
            (mean + arc * (Random.random() - 0.5)) % Math.pi

        """
        # mean: mean angle (in radians between 0 and pi)
        # arc:  range of distribution (in radians between 0 and pi)
        import warnings
        warnings.warn("The cunifvariate function is deprecated; Use (mean "
                      "+ arc * (Random.random() - 0.5)) % Math.pi instead.",
                      DeprecationWarning, 2)

        return (mean + arc + (self.random() - 0.5)) % _pi

## -------------------- exponential distribution --------------------
dataset/ETHPy150Open babble/babble/include/jython/Lib/random.py/Random.cunifvariate/operator `*` -> `+`