Merge pull request #543 from cclauss/patch-1

.travis.yml

@@ -5,9 +5,7 @@ python:
   - 3.7
   - 3.6
   - 3.5
-  - 3.4
   - 2.7
-sudo: false
 install:
   - pip install --upgrade pip
   - pip install .
@@ -23,19 +21,19 @@ matrix:
   allow_failures:
     - python: "nightly"
   include:
-    - python: 3.7
+    - python: 3.8
       env:
         - TEST_DEPS=ipython[test]
         - TEST=iptest
     - python: 3.7
       env:
         - TEST_DEPS=git+https://github.com/jupyter/nbconvert.git#egg=nbconvert[test]
         - TEST="py.test --pyargs nbconvert"
-    - python: 3.7
+    - python: 3.8
       env:
         - TEST_DEPS=notebook[test]
         - TEST="nosetests --exclude selenium notebook"
-    - python: 3.7
+    - python: 3.8
       env:
         - TEST_DEPS=ipywidgets[test]
         - TEST="pytest --pyargs ipywidgets"