Merge pull request #3834 from markotoplak/test-pyqt512

Test with PyQt5=5.12 on Linux (travis)

Author: lanzagar

.travis.yml

@@ -5,6 +5,11 @@ dist: xenial
 services:
   - docker
 
+addons:
+    apt:
+        packages:
+            - libxkbcommon-x11-0  # for PyQt 5.12
+
 matrix:
     include:
         - env: RUN_PYLINT=true

.travis/install_orange.sh

@@ -7,8 +7,8 @@ if [[ $TRAVIS_PYTHON_VERSION == 3.4 ]]; then pip install pandas==0.20.3; fi
 
 pip install numba==0.41.0 llvmlite==0.26.0
 
-# Temporary fix until platform plugin issues are solved on 5.12
-pip install PyQt5==5.11.3
+# PyQt >= 5.12 distributes WebEngine separately
+pip install pyqtwebengine
 
 # Install dependencies sequentially
 cat requirements-core.txt \