How to use the pyactiveresource.connection.Connection function in pyactiveresource

import pyactiveresource.connection
from pyactiveresource.activeresource import ActiveResource, ResourceMeta, formats
import shopify.yamlobjects
import shopify.mixins as mixins
import shopify
import threading
import sys
from six.moves import urllib
import six


# Store the response from the last request in the connection object
class ShopifyConnection(pyactiveresource.connection.Connection):
    response = None

    def __init__(self, site, user=None, password=None, timeout=None,
                 format=formats.JSONFormat):
        super(ShopifyConnection, self).__init__(site, user, password, timeout, format)

    def _open(self, *args, **kwargs):
        self.response = None
        try:
            self.response = super(ShopifyConnection, self)._open(*args, **kwargs)
        except pyactiveresource.connection.ConnectionError as err:
            self.response = err.response
            raise
        return self.response

# Inherit from pyactiveresource's metaclass in order to use ShopifyConnection

    @property
    def connection(cls):
        """A connection object which handles all HTTP requests."""
        super_class = cls.__mro__[1]
        if super_class == object or '_connection' in cls.__dict__:
            if cls._connection is None:
                cls._connection = connection.Connection(
                    cls.site, cls.user, cls.password, cls.timeout, cls.format)
            return cls._connection
        else:
            return super_class.connection