fix

Author: Remi-Gau

.readthedocs.yml

@@ -1,23 +1,18 @@
----
 # .readthedocs.yml
 # Read the Docs configuration file
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
-# Required
 version: 2
 
-# Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
   builder: html
   fail_on_warning: true
 
-# Optionally build your docs in additional formats such as PDF
 formats:
 - pdf
 
-# Optionally set the version of Python and requirements required to build your docs
 python:
-  version: 3.8
+  version: "3.8"
   install:
   - requirements: requirements.txt