Increment opencv-python package version

examples/pyqt5_opencv/installer.cfg

@@ -13,4 +13,4 @@ packages=app
 pypi_wheels= PyQt5==5.7
     sip==4.18.1
     numpy==1.11.1
-    opencv-python==3.1.0.2
+    opencv-python==3.1.0.3