Python: Can't pickle type X, attribute lookup failed

Question

I am trying to pickle a namedtuple:

from collections import namedtuple
import cPickle

class Foo:

    Bar = namedtuple(\'Bar\', [\'x\', \'y\'])         


        

Answer 1

The solution here is to move your named tuple definition to the module level, then pickle works. A detailed answer is provided here:

How to pickle a namedtuple instance correctly