Cannot pickle Ellipsis objects #54

>>> import cloudpickle
>>> cloudpickle.dumps(Ellipsis)
    ---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-2-cc84d30bf9cd> in <module>()
----> 1 cloudpickle.dumps(Ellipsis)

/zopt/conda/envs/nanshenv/lib/python2.7/site-packages/cloudpickle/cloudpickle.pyc in dumps(obj, protocol)
    600 
    601     cp = CloudPickler(file,protocol)
--> 602     cp.dump(obj)
    603 
    604     return file.getvalue()

/zopt/conda/envs/nanshenv/lib/python2.7/site-packages/cloudpickle/cloudpickle.pyc in dump(self, obj)
    105         self.inject_addons()
    106         try:
--> 107             return Pickler.dump(self, obj)
    108         except RuntimeError as e:
    109             if 'recursion' in e.args[0]:

/zopt/conda/envs/nanshenv/lib/python2.7/pickle.pyc in dump(self, obj)
    222         if self.proto >= 2:
    223             self.write(PROTO + chr(self.proto))
--> 224         self.save(obj)
    225         self.write(STOP)
    226 

/zopt/conda/envs/nanshenv/lib/python2.7/pickle.pyc in save(self, obj)
    304             reduce = getattr(obj, "__reduce_ex__", None)
    305             if reduce:
--> 306                 rv = reduce(self.proto)
    307             else:
    308                 reduce = getattr(obj, "__reduce__", None)

TypeError: can't pickle ellipsis objects