class_docstr: Raises RuntimeError when any attribute is accessed on instances of this
  class.
  
  Instances of this class are returned by import_optional() when a module
  cannot be found, which allows for code to import optional dependencies, and
  have only the code paths that use the module affected.
code: def __init__(self, mod_name):
      self.name = mod_name
  
file_path: cugraph/python/cugraph-service/client/cugraph_service_client/remote_graph_utils.py
imports: import importlib
  import numpy
label_desc: Use image node_id 1 to create a new MissingModule object  with example: obj = MissingModule(mod_name)