Update docker image
Switch to ubuntu:20.04 as a base image
to use python3.8 natively and to support the
latest CVE fixes for python packages
Related-Prod: PROD-36143
Change-Id: I5e1e8fb6d3b4987522a96b621898afd08958fe20
(cherry picked from commit 734246f67621695b367cb5c0bc91d8c6b7e5397a)
diff --git a/test_set/tox.ini b/test_set/tox.ini
index b68781e..dee7131 100644
--- a/test_set/tox.ini
+++ b/test_set/tox.ini
@@ -10,7 +10,7 @@
commands = {posargs:pytest --version}
[testenv:cvp-sanity]
-basepython = python3.5
+basepython = python3.8
deps = -rcvp-sanity/requirements.txt
changedir = cvp-sanity