# Error from qc\_grader.graph\_util

**URL:** https://discourse.jupyter.org/t/error-from-qc-grader-graph-util/20162
**Category:** JupyterLab
**Created:** [June 29, 2023, 9:45am UTC](https://discourse.jupyter.org/t/error-from-qc-grader-graph-util/20162 "2023-06-29T09:45:10Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![PAUL\_Marca](https://yyz1.discourse-cdn.com/flex031/user_avatar/discourse.jupyter.org/paul_marca/32/10327_2.png) [@PAUL\_Marca](https://discourse.jupyter.org/u/PAUL_Marca)
#### Post date: [June 29, 2023, 9:45am UTC](https://discourse.jupyter.org/t/error-from-qc-grader-graph-util/20162/1 "2023-06-29T09:45:10Z")

</div>

When I try to write  
from qc\_grader.graph\_util import display\_maxcut\_widget, QAOA\_widget, graphs  
I get the following error:  
ModuleNotFoundError: No module named ‘qc\_grader’

WHat do I need to pip install?