Force python version
diff --git a/tensorflow/tools/ci_build/ci_sanity.sh b/tensorflow/tools/ci_build/ci_sanity.sh
index d956baa..e4aec0f 100755
--- a/tensorflow/tools/ci_build/ci_sanity.sh
+++ b/tensorflow/tools/ci_build/ci_sanity.sh
@@ -131,6 +131,9 @@
echo ""
# !!!!!!This is only an hack to workaround CI VM with numpy 1.14.5!!!!!!!!
+ add-apt-repository ppa:deadsnakes/ppa -y
+ apt-get install --assume-yes python3.8
+ python3.8 --version
python3.8 -m pip install --upgrade numpy~=1.19.2 lazy-object-proxy
python3.8 -m pip show numpy lazy-object-proxy