Dev

[xros]

fix the syntax from py27 to py36

[xros]

Test log from travis

Worker information
hostname: 342161ce-8be5-485c-9295-8b04d5ca98fc@1.production-2-worker-org-gce-b3r3
version: v6.2.0 https://github.com/travis-ci/worker/tree/5e5476e01646095f48eec13196fdb3faf8f5cbf7
instance: travis-job-e3a1516d-d970-4187-86a0-f79a624c807f travis-ci-sardonyx-xenial-1553530528-f909ac5 (via amqp)
startup: 6.149303371s
system_info
Build system information
Build language: python
Build group: stable
Build dist: xenial
Build id: 554346328
Job id: 554346330
Runtime kernel version: 4.15.0-1028-gcp
travis-build version: 7b7f39e22
Build image provisioning date and time
Mon Mar 25 16:43:24 UTC 2019
Operating System Details
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.6 LTS
Release:	16.04
Codename:	xenial
Systemd Version
systemd 229
Cookbooks Version
42e42e4 https://github.com/travis-ci/travis-cookbooks/tree/42e42e4
git version
git version 2.21.0
bash version
GNU bash, version 4.3.48(1)-release (x86_64-pc-linux-gnu)
gcc version
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.11) 5.4.0 20160609
docker version
Client:
 Version:           18.06.0-ce
 API version:       1.38
 Go version:        go1.10.3
 Git commit:        0ffa825
 Built:             Wed Jul 18 19:11:02 2018
 OS/Arch:           linux/amd64
 Experimental:      false
Server:
 Engine:
  Version:          18.06.0-ce
  API version:      1.38 (minimum version 1.12)
  Go version:       go1.10.3
  Git commit:       0ffa825
  Built:            Wed Jul 18 19:09:05 2018
  OS/Arch:          linux/amd64
  Experimental:     false
clang version
clang version 7.0.0 (tags/RELEASE_700/final)
jq version
jq-1.5
bats version
Bats 0.4.0
shellcheck version
0.6.0
shfmt version
v2.6.3
ccache version
3.2.4
cmake version
cmake version 3.12.4
heroku version
heroku/7.22.7 linux-x64 node-v11.10.1
imagemagick version
Version: ImageMagick 6.8.9-9 Q16 x86_64 2018-09-28 http://www.imagemagick.org
md5deep version
4.4
mercurial version
version 4.8
mysql version
mysql  Ver 14.14 Distrib 5.7.25, for Linux (x86_64) using  EditLine wrapper
openssl version
OpenSSL 1.0.2g  1 Mar 2016
packer version
1.3.3
postgresql client version
psql (PostgreSQL) 10.7 (Ubuntu 10.7-1.pgdg16.04+1)
ragel version
Ragel State Machine Compiler version 6.8 Feb 2013
sudo version
1.8.16
gzip version
gzip 1.6
zip version
Zip 3.0
vim version
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Nov 24 2016 16:44:48)
iptables version
iptables v1.6.0
curl version
curl 7.47.0 (x86_64-pc-linux-gnu) libcurl/7.47.0 GnuTLS/3.4.10 zlib/1.2.8 libidn/1.32 librtmp/2.3
wget version
GNU Wget 1.17.1 built on linux-gnu.
rsync version
rsync  version 3.1.1  protocol version 31
gimme version
v1.5.3
nvm version
0.34.0
perlbrew version
/home/travis/perl5/perlbrew/bin/perlbrew  - App::perlbrew/0.86
phpenv version
rbenv 1.1.2
rvm version
rvm 1.29.7 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]
default ruby version
ruby 2.5.3p105 (2018-10-18 revision 65156) [x86_64-linux]
CouchDB version
couchdb 1.6.1
ElasticSearch version
5.5.0
Installed Firefox version
firefox 63.0.1
MongoDB version
MongoDB 4.0.7
PhantomJS version
2.1.1
Pre-installed PostgreSQL versions
9.4.21
9.5.16
9.6.12
Redis version
redis-server 5.0.4
Pre-installed Go versions
1.11.1
mvn version
Apache Maven 3.6.0 (97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T18:41:47Z)
gradle version
Gradle 4.10.2!
lein version
Leiningen 2.9.1 on Java 11.0.2 OpenJDK 64-Bit Server VM
Pre-installed Node.js versions
v10.15.3
v11.0.0
v4.9.1
v6.17.0
v8.12.0
v8.15.1
v8.9
phpenv versions
  system
  5.6
  5.6.40
  7.1
  7.1.27
  7.2
* 7.2.15 (set by /home/travis/.phpenv/version)
  hhvm
  hhvm-stable
composer --version
Composer version 1.8.4 2019-02-11 10:52:10
Pre-installed Ruby versions
ruby-2.3.8
ruby-2.4.5
ruby-2.5.3
docker_mtu
resolvconf
3.3 is not installed; attempting download
Downloading archive: https://storage.googleapis.com/travis-ci-language-archives/python/binaries/ubuntu/16.04/x86_64/python-3.3.tar.bz2
0.12s$ curl -sSf -o python-3.3.tar.bz2 ${archive_url}
curl: (22) The requested URL returned error: 404 Not Found
Unable to download 3.3 archive. The archive may not exist. Please consider a different version.

No need to care about it. coz travis don't care python 3.3 anymore... And it should work on python3.3