Add bounds to sphinx requirement

As ONAP was created before Oct 20 2020 in RTD, we
must set bounds to enforce a compatible Sphinx version
(see manual).

Issue-ID: DOC-782

Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
Change-Id: I1d67fa032fe0eccfa0b3eb39c5a53ee66f92e2d9

diff --git a/docs/etc/requirements.txt b/docs/etc/requirements.txt
index b6654e5..cc2d12c 100644 (file)
--- a/docs/etc/requirements.txt
+++ b/docs/etc/requirements.txt
@@ -1,4 +1,6 @@
 lfdocs-conf
+sphinx>=4.2.0  # BSD
+sphinx-rtd-theme>=1.0.0  # MIT
 autopep8
 sphinxcontrib-spelling
 pylint