Fix the tensorflow && tensorflow_serving breakage on bazel ci:

tensorflower-gardener · tensorflower-gardener · commit 5c29a24fd6a2 · 2016-08-12T07:32:39.000-07:00
http://ci.bazel.io/job/TensorFlow/BAZEL_VERSION=HEAD,PLATFORM_NAME=linux-x86_64/365/console Change: 130097501
diff --git a/util/python/python_config.sh b/util/python/python_config.sh
@@ -118,7 +118,7 @@ function setup_python {
   done
   set -- $python_lib_path
   echo "Please input the desired Python library path to use.  Default is ["$1"]"
-  read b
+  read b || true
   if [ "$b" == "" ]; then
    python_lib="$(default_python_path $python_lib_path)"
    echo $python_lib
