code: def get_class_from_module(module, class_name):
      
      import importlib
      module = importlib.import_module(module)
      return getattr(module, class_name)
docs: Returns a class from a module and a class name parameters.
      This function is used by get_class_from_config and get_class_from_name.
  
      Example:
      >>> get_class_from_module("my.module", "MyClass")
  
      :param basestring module: The module name.
      :param basestring class_name: The class name.
      :return: The class resolved by the module and class name provided.