def __init__(self, a, b, min, max):
        self._constraint = cp.cpRotaryLimitJointNew(a._body, b._body, min, max)
        self._ccontents = self._constraint.contents
        self._rlc = cp.cast(self._constraint, ct.POINTER(cp.cpRotaryLimitJoint)).contents
        self._set_bodies(a,b)
Constrains the relative rotations of two bodies. min and max are 
dataset/ETHPy150Open estevaofon/angry-birds-python/pymunk-4.0.0/pymunk/constraint.py/RotaryLimitJoint.__init__