id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type
1620412697,I_kwDOAMm_X85glYkZ,7614,Issue with building docs on Ubuntu 22.04.1 ,43364084,closed,0,,,1,2023-03-12T15:49:28Z,2023-03-12T16:19:53Z,2023-03-12T16:19:53Z,NONE,,,,"### What happened?

`make html` fails to build with the following error
Tips on how to fix this issue will be appreciated
![Screenshot from 2023-03-12 16-47-22](https://user-images.githubusercontent.com/43364084/224555958-029a47d4-733c-41e9-afc2-e2a37ac1849f.png)


### What did you expect to happen?

_No response_

### Minimal Complete Verifiable Example

_No response_

### MVCE confirmation

- [ ] Minimal example — the example is as focused as reasonably possible to demonstrate the underlying issue in xarray.
- [ ] Complete example — the example is self-contained, including all data and the text of any traceback.
- [ ] Verifiable example — the example copy & pastes into an IPython prompt or [Binder notebook](https://mybinder.org/v2/gh/pydata/xarray/main?urlpath=lab/tree/doc/examples/blank_template.ipynb), returning the result.
- [ ] New issue — a search of GitHub Issues suggests this is not a duplicate.

### Relevant log output

_No response_

### Anything else we need to know?

_No response_

### Environment

<details>



</details>
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