
Traceback (most recent call last):

 "<stdin>", line 1, in <module>

 "/vol/devel/env/lib/python2.6/copy_reg.py", line 70, in _reduce_ex
raise TypeError, "can't pickle %s objects" % base.__name__
TypeError: can't pickle function objects 
Traceback (most recent call last):


 "/opt/conda/envs/default/lib/python3.7/site-packages/distributed/protocol/core.py", line 40, in dumps

for key, value in data.items()


 "/opt/conda/envs/default/lib/python3.7/site-packages/distributed/protocol/core.py", line 41, in <dictcomp>

if type(value) is Serialize


 "/opt/conda/envs/default/lib/python3.7/site-packages/distributed/protocol/serialize.py", line 245, in serialize

raise TypeError(msg, str(x)[:10000])
TypeError: ('Could not serialize object of type tuple.', "(<function check_meta at 0x7f4dbc0f1710>, (<function apply at 0x7f4de0e80cb0>, <function pandas_read_text at 0x7f4db9fd70e0>, [<function _make_parser_function.<locals>.parser_f at 0x7f4dbc7c0050>, (<function read_block_from_file at 0x7f4db9fdd7a0>, <Open
 '/tmp/tmpgou80l9m/31fae6b6-ad97-11ea-b877-fab4a0258d35.csv'>, 0, 64000000, b'\\n'), b'a,b,c\\n', (<class 'dict'>, [['usecols', dict_keys(['a', 'c'])]]), (<class 'dict'>, [['a', dtype('int64')], ['c', dtype('int64')]]), ['a', 'c']], (<class 'dict'>, [['write_header', False], ['enforce', False], ['path', None]])), Empty DataFrame\nColumns: [a, c]\nIndex: [], 'from_delayed')")
