code: def is_valid(self):
      return self.account_name and self.container_name
  
imports: import abc
  import warnings
  from copy import copy
  from operator import itemgetter
  from os import getenv
  import furl
  import six
  from attr import attrib, attrs
label_desc: Use image node_id 2 for calling the AzureContainerConfig obj's underlying member method code with example usage: obj.is_valid() and returns: unknown