Testing: Run our tests in Python 3.6

circle.yml

@@ -3,7 +3,7 @@
 machine:
   environment:
     # Python versions to tests (Maximum of 4 different versions)
-    PY_VERSIONS: "2.7 3.4 3.5"
+    PY_VERSIONS: "2.7 3.5 3.6"
     # For Coveralls
     COVERALLS_REPO_TOKEN: yt7YToGxRtnAcM6kSULoiCmOPetq10TaU
     # Environment variables used by astropy helpers
@@ -45,6 +45,3 @@ test:
     # PyQt4
     - ./continuous_integration/circle/test-qt4.sh: # note the colon
         parallel: true
-    # Coveralls
-    - export PATH="$HOME/miniconda/bin:$PATH" && source activate test && coveralls: # note the colon
-        parallel: true

continuous_integration/circle/test-qt4.sh

@@ -4,6 +4,13 @@ export PATH="$HOME/miniconda/bin:$PATH"
 
 source activate test
 
-conda install -q qt=4.* pyqt=4.*
+# Only run tests for PyQt4 in Python 2.7 and 3.5
+export PY_VERSIONS=($PY_VERSIONS)
+export PY_VERSION=${PY_VERSIONS[$CIRCLE_NODE_INDEX]}
 
-python runtests.py
+if [ "$PY_VERSION" = "2.7" ] || [ "$PY_VERSION" = "3.5" ]; then
+    conda install -q qt=4.* pyqt=4.*
+    python runtests.py
+else
+    exit 0
+fi

continuous_integration/circle/test-qt5.sh

@@ -7,3 +7,7 @@ source activate test
 conda install -q qt=5.* pyqt=5.* qtconsole matplotlib
 
 python runtests.py
+
+# Run coveralls also here because there are errors if run
+# as an independent command
+coveralls