From 2c1d5024adaa543a639d51068aca8a07fdc2c1fd Mon Sep 17 00:00:00 2001
From: David Garcia Quintas <dgq@google.com>
Date: Thu, 28 Jan 2016 15:19:52 -0800
Subject: [PATCH] added virtualenv to the apt-get

---
 tools/distrib/check_nanopb_output.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/distrib/check_nanopb_output.sh b/tools/distrib/check_nanopb_output.sh
index 21179c606b4..d6d34e3c406 100755
--- a/tools/distrib/check_nanopb_output.sh
+++ b/tools/distrib/check_nanopb_output.sh
@@ -30,6 +30,8 @@
 
 set -ex
 
+apt-get install -y autoconf automake libtool curl virtualenv
+
 readonly NANOPB_TMP_OUTPUT=$(mktemp -d)
 readonly VENV_DIR=$(mktemp -d)
 # create a virtualenv for nanopb's compiler
@@ -50,7 +52,6 @@ docker build -t grpc_clang_format tools/dockerfile/grpc_clang_format
 
 # install protoc version 3
 pushd third_party/protobuf
-apt-get install -y autoconf automake libtool curl
 ./autogen.sh
 ./configure
 make