Code blocks are not rendered as <pre>

[kellenff]

On the learn page, the markdown code fences (triple backticks) are not being rendered into <pre> blocks, as shown in this screenshot

[con-f-use]

Same on http://www.hug.rest/website/learn/architecture

┌─09-12:05 [confus@confusion /tmp/tmp.wnenONWuQF/website/hug_website/views]                                                                                                                                                                                            😱  develop|✓ 😱
└$ grep -RFn '```'                                                                                                                                                                                                                                                              
architecture.html:19:<p>```python
architecture.html:24:```</p>
architecture.html:29:<p>```python
architecture.html:38:```</p>
architecture.html:47:<p>```python
architecture.html:57:```</p>
routing.html:110:<p>```Python 
routing.html:115:```</p>