in pybulletX/_wrapper.py [0:0]
def _getLinkStates(*args, **kwargs):
link_state_tuples = _orig_pybullet.getLinkStates(*args, **kwargs)
if not link_state_tuples:
return None
link_states = list(map(_numpy.array, zip(*link_state_tuples)))
link_states = LinkState(*link_states)
link_states._plural = True
link_states._data = link_state_tuples
return link_states