Traceback (most recent call last):


 "/opt/conda/lib/python3.6/site-packages/tornado/ioloop.py", line 758, in _run_callback

ret = callback()


 "/opt/conda/lib/python3.6/site-packages/tornado/stack_context.py", line 300, in null_wrapper

return fn(*args, **kwargs)


 "/opt/conda/lib/python3.6/site-packages/tornado/ioloop.py", line 779, in _discard_future_result

future.result()


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 1141, in run

yielded = self.gen.throw(*exc_info)


 "/opt/conda/lib/python3.6/site-packages/distributed/worker.py", line 661, in handle_scheduler

self.ensure_computing])


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 1133, in run

value = future.result()


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 1141, in run

yielded = self.gen.throw(*exc_info)


 "/opt/conda/lib/python3.6/site-packages/distributed/core.py", line 386, in handle_stream

msgs = yield comm.read()


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 1133, in run

value = future.result()


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 1141, in run

yielded = self.gen.throw(*exc_info)


 "/opt/conda/lib/python3.6/site-packages/distributed/comm/tcp.py", line 206, in read

deserializers=deserializers)


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 1133, in run

value = future.result()


 "/opt/conda/lib/python3.6/site-packages/tornado/gen.py", line 326, in wrapper

yielded = next(result)


 "/opt/conda/lib/python3.6/site-packages/distributed/comm/utils.py", line 79, in from_frames

res = _from_frames()


 "/opt/conda/lib/python3.6/site-packages/distributed/comm/utils.py", line 65, in _from_frames

deserializers=deserializers)


 "/opt/conda/lib/python3.6/site-packages/distributed/protocol/core.py", line 131, in loads

value = _deserialize(head, fs, deserializers=deserializers)


 "/opt/conda/lib/python3.6/site-packages/distributed/protocol/serialize.py", line 178, in deserialize

return loads(header, frames)


 "/opt/conda/lib/python3.6/site-packages/distributed/protocol/serialize.py", line 48, in dask_loads

loads = dask_deserialize.dispatch(typ)


 "/opt/conda/lib/python3.6/site-packages/dask/utils.py", line 406, in dispatch

raise TypeError("No dispatch for {0}".format(cls))
TypeError: No dispatch for <class 'xgboost.sklearn.XGBRegressor'>

Traceback (most recent call last):


 "/usr/lib/python3/dist-packages/salt/netapi/rest_cherrypy/app.py", line 909, in hypermedia_handler

response = out(ret)


 "/usr/lib/python3/dist-packages/salt/utils/json.py", line 149, in dumps

return json_module.dumps(obj, **kwargs)
# future lint: blacklisted-function


 "/usr/lib/python3.6/json/__init__.py", line 238, in dumps

**kw).encode(obj)


 "/usr/lib/python3.6/json/encoder.py", line 199, in encode

chunks = self.iterencode(o, _one_shot=True)


 "/usr/lib/python3.6/json/encoder.py", line 257, in iterencode

return _iterencode(o, 0)


 "/usr/lib/python3.6/json/encoder.py", line 180, in default

o.__class__.__name__)
TypeError: Object of type 'datetime' is not JSON serializable
