Have the --colored default value be yes in the docs (#2289)

Co-authored-by: Antoine DECHAUME <>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: AntoineD

docs/conf.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import os
 import sys
 from datetime import date, datetime
 from pathlib import Path
@@ -86,6 +87,8 @@
 nitpicky = True
 nitpick_ignore = []
 
+os.environ["FORCE_COLOR"] = "yes"  # force --colored default value to be yes
+
 
 def skip_member(app: Sphinx, what: str, name: str, obj: Any, would_skip: bool, options: Options) -> bool:  # noqa: U100
     return name in options.get("exclude-members", set()) or would_skip