fix docs requirements

Signed-off-by: EstherLerouzic <esther.lerouzic@orange.com>
Change-Id: I9d151b842a38380b0368e099c67957ec36b78250

docs/conf.py

@@ -65,7 +65,7 @@ author = 'Telecom Infra Project - OOPT PSE Group'
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.

docs/requirements.txt

@@ -1,7 +1,12 @@
 alabaster>=0.7.12,<1
 docutils>=0.17.1,<1
+matplotlib>=3.7.3,<4
 myst-parser>=0.16.1,<1
+networkx>=3.1,<4
+numpy>=1.24.4,<2
 Pygments>=2.11.2,<3
 rstcheck
-Sphinx>=4.4.0,<5
+scipy>=1.10.1,<2
+Sphinx>=5.3.0,<6
 sphinxcontrib-bibtex>=2.4.1,<3
+xlrd>=1.2.0,<2