in gym3/subproc.py [0:0]
def _call_method_in_worker(self, method, *args, **kwargs):
self._communicate(
self._p2c.send,
dict(send_response=True, method=method, args=args, kwargs=kwargs),
)
result, err = self._communicate(self._p2c.recv)
if err is not None:
raise SubprocError from Exception("exception in subprocess:\n\n" + err)
return result