Remove six module, python 2.7 is no longer supported

import configparser

import os

import six

import json

import logging

from glob import glob

from os.path import join

from six.moves import configparser

from collections import Sequence, Mapping

from ..util.context_managers import suppress

import six

from .context_managers import suppress

from importlib import import_module

from collections import Sequence

	def _add(self, network):

		if isinstance(network, Network):

			self.update(network)

		elif isinstance(network, six.string_types):

		elif isinstance(network, str):

			self.add(net_factory(network))

		elif isinstance(network, Sequence):

			self.update(net_factory(n) for n in network)

		'django-widget-tweaks~=1.4',

		'html5lib>=1',

		'passlib~=1.6',

		'six~=1.10',

	],

)