Did pylint's support for collections.namedtuple regress, or am I doing something silly?

This code shows what I'm talking about:

  # pylint: disable=superfluous-parens

  '''Test if pylint can see into namedtuples yet'''

  from __future__ import print_function

  import collections

  class SimpleClass(object):
      '''Just a container: used to test if pylint sees we have no jkl member'''
      def __init__(self):
          self.abc = 5
          self.ghi = 6

  def main():
      '''Main function'''
      named_tuple = collections.namedtuple('named_tuple', field_names='abc ghi')
      named_tuple.abc = 5
      named_tuple.ghi = 6
      # This tracebacks, without a pylint warning

      simple_class = SimpleClass()
      # pylint catches this one!

I'm using:
$ /usr/local/cpython-3.5/bin/pylint --version
No config file found, using default configuration
pylint 1.5.4,
astroid 1.4.4
Python 3.5.0 (default, Feb  8 2016, 13:56:41)
[GCC 4.8.4]
Should I be doing something differently?

If it is a bug, where should I report it? I googled for about twenty minutes trying to find The Right Place, but came up with nothing.

Thanks for the great tool!

Dan Stromberg