[LTP] [PATCH v4 2/5] doc: Add sphinx to requirements.txt

[Petr Vorel]

Although that slightly prolongs creating virtualenv, it's probably
better to handle it as the other requirements.

Suggested-by: Andrea Cervesato <andrea.cervesato@suse.com>
Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
New in v4.

 doc/developers/documentation.rst | 2 --
 doc/requirements.txt             | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/doc/developers/documentation.rst b/doc/developers/documentation.rst
index 27c847e125..a303253693 100644
--- a/doc/developers/documentation.rst
+++ b/doc/developers/documentation.rst
@@ -23,8 +23,6 @@ Before building, make sure you have python3 ``virtualenv`` module installed.
     # prepare virtual environment
     python3 -m virtualenv .venv
     . .venv/bin/activate
-
-    pip install sphinx # usually packaged in distros
     pip install -r requirements.txt
 
     # build documentation
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 742fb8b4bb..1f4cefb2c6 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,3 +1,4 @@
+sphinx
 sphinx-rtd-theme==2.0.0
 linuxdoc==20231020
 sphinxcontrib-spelling==7.7.0
-- 
2.49.0