docs: def import_class(class_path):
      """imports and returns given class string.
  
      :param class_path: Class path as string
      :type class_path: str
  
      :returns: Class that has given path
      :rtype: class
  
      :Example:
  
      >>> import_class('collections.OrderedDict').__name__
      'OrderedDict'
      """
      try:
          from django.utils.importlib import import_module
          module_name = '.'.join(class_path.split(".")[:-1])
          mod = import_module(module_name)
          return getattr(mod, class_path.split(".")[-1])
      except Exception, detail:
          raise ImportError(detail)