try another pyqt5 install method

.travis.yml

@@ -55,7 +55,10 @@ install:
         elif [ ${QT} == 'pyside' ]; then
           travis_retry sudo apt-get -qq -y install python3-pyside;
         else
-          pip install PyQt5;
+          echo 'deb http://us.archive.ubuntu.com/ubuntu/ saucy main restricted' >> /etc/apt/sources.list &&
+          echo 'deb http://us.archive.ubuntu.com/ubuntu/ saucy universe' >> /etc/apt/sources.list &&
+          sudo apt-get update &&
+          sudo apt-get install python3-pyqt5;
         fi;
       else
         conda create -n testenv --yes --quiet pip python=$PYTHON &&

tools/setupHelpers.py

@@ -34,8 +34,10 @@ def unitTests():
     try:
         print("version:", sys.version[0])
         if sys.version[0] == 3:
+            print("PY3 test")
             out = check_output('PYTHONPATH=. py.test-3', shell=True)
         else:
+            print("PY2 test")
             out = check_output('PYTHONPATH=. py.test', shell=True)
         ret = 0
     except Exception as e: