Traceback (most recent call last):


 "/home/michael/env/lib/python3.5/site-packages/tornado/ioloop.py", line 759, in _run_callback

ret = callback()


 "/home/michael/env/lib/python3.5/site-packages/tornado/stack_context.py", line 276, in null_wrapper

return fn(*args, **kwargs)


 "/home/michael/env/lib/python3.5/site-packages/tornado/ioloop.py", line 780, in _discard_future_result

future.result()


 "/usr/lib/python3.5/asyncio/futures.py", line 293, in result

raise self._exception


 "/home/michael/env/lib/python3.5/site-packages/tornado/gen.py", line 315, in wrapper

yielded = next(result)


 "/home/michael/env/lib/python3.5/site-packages/distributed/worker.py", line 2186, in memory_monitor

k, v, weight = self.data.fast.evict()


 "/home/michael/env/lib/python3.5/site-packages/zict/lru.py", line 90, in evict

cb(k, v)


 "/home/michael/env/lib/python3.5/site-packages/zict/buffer.py", line 52, in fast_to_slow

self.slow[key] = value


 "/home/michael/env/lib/python3.5/site-packages/zict/func.py", line 42, in __setitem__

self.d[key] = self.dump(value)


 "/home/michael/env/lib/python3.5/site-packages/distributed/protocol/serialize.py", line 346, in serialize_bytelist

header, frames = serialize(x, **kwargs)


 "/home/michael/env/lib/python3.5/site-packages/distributed/protocol/serialize.py", line 163, in serialize

raise TypeError(msg, str(x)[:10000])
TypeError: ('Could not serialize object of type Series.', '2017-11-24 00:00:00
26184\n2017-11-25 00:00:00
26182\n2017-11-18 00:00:00
24498\n2017-11-30 00:00:00
24430\n2017-11-17 00:00:00
23260\n2017-11-14 00:00:00
21979\n2017-11-23 00:00:00
21830\n2017-11-29 00:00:00
21137\n2017-11-16 00:00:00
20678\n2017-11-22 00:00:00
20404\n2017-11-28 00:00:00
20122\n2017-11-21 00:00:00
19618\n2017-11-03 00:00:00
19244\n2017-11-27 00:00:00
19052\n2017-10-28 00:00:00
18712\n2017-11-04 00:00:00
18455\n2017-11-01 00:00:00
18278\n2017-11-09 00:00:00
18255\n2017-11-13 00:00:00
18177\n2017-11-08 00:00:00
17740\n2017-11-20 00:00:00
17529\n2017-11-07 00:00:00
17496\n2017-10-27 00:00:00
17295\n2017-11-15 00:00:00
16460\n2017-10-31 00:00:00
16246\n2017-11-26 00:00:00
15677\n2017-10-21 00:00:00
15536\n2017-11-19 00:00:00
15118\n2017-10-26 00:00:00
14967\n2017-11-06 00:00:00
14921\n
...
\n2017-09-16 00:06:58
1\n2017-09-16 00:06:57
1\n2017-09-16 00:06:53
1\n2017-09-16 00:06:50
1\n2017-09-16 00:06:48
1\n2017-09-16 00:06:44
1\n2017-09-16 00:06:43
1\n2017-09-16 00:06:38
1\n2017-09-16 00:06:36
1\n2017-09-16 00:07:19
1\n2017-09-16 00:07:25
1\n2017-09-16 00:07:26
1\n2017-09-16 00:07:53
1\n2017-09-16 00:08:17
1\n2017-09-16 00:08:16
1\n2017-09-16 00:08:15
1\n2017-09-16 00:08:12
1\n2017-09-16 00:08:09
1\n2017-09-16 00:07:59
1\n2017-09-16 00:07:56
1\n2017-09-16 00:07:50
1\n2017-09-16 00:07:32
1\n2017-09-16 00:07:49
1\n2017-09-16 00:07:48
1\n2017-09-16 00:07:39
1\n2017-09-16 00:07:38
1\n2017-09-16 00:07:37
1\n2017-09-16 00:07:36
1\n2017-09-16 00:07:33
1\n2017-01-01 00:00:08
1\nName: purchase_date, Length: 16395300, dtype: int64')

Traceback (most recent call last):


 "C:\Python\lib\multiprocessing\process.py", line 258, in _bootstrap

self.run()


 "C:\Python\lib\multiprocessing\process.py", line 93, in run

self._target(*self._args, **self._kwargs)


 "C:\WERK\test3.py", line 50, in secondary

ns.secondary = psutil.Process()


 "C:\Python\lib\multiprocessing\managers.py", line 1065, in __setattr__

return callmethod('__setattr__', (key, value))


 "C:\Python\lib\multiprocessing\managers.py", line 756, in _callmethod

conn.send((self._id, methodname, args, kwds))


 "C:\Python\lib\multiprocessing\connection.py", line 206, in send

self._send_bytes(_ForkingPickler.dumps(obj))


 "C:\Python\lib\multiprocessing\reduction.py", line 51, in dumps

cls(buf, protocol).dump(obj)
TypeError: can't pickle _thread.RLock objects
