Merge pull request gjedeer#116 from jdufresne/py3

Use Python3 in testing

.travis.yml

@@ -22,9 +22,9 @@ before_install:
   - sudo rabbitmqctl add_vhost celerypecl
   - sudo rabbitmqctl set_permissions -p celerypecl gdr '.*' '.*' '.*'
   # Celery
-  - sudo apt-get install -y python-virtualenv
-  - virtualenv venv
-  - venv/bin/pip install celery redis
+  - sudo apt-get install python-virtualenv
+  - virtualenv -p python3 venv
+  - venv/bin/pip install -r testscenario/requirements.txt
   - venv/bin/celery worker --config celeryamqplibconfig --workdir $PWD/testscenario --detach --pidfile celeryamqplib.pid
   - venv/bin/celery worker --config celerypeclconfig --workdir $PWD/testscenario --detach --pidfile celerypecl.pid
   - venv/bin/celery worker --config celeryredisconfig --workdir $PWD/testscenario --detach --pidfile celeryredis.pid

testscenario/requirements.txt

@@ -0,0 +1,2 @@
+celery
+redis