CI(travis): remove deprecated `sudo` keyword

[ppu.git] / .travis.yml

diff --git a/.travis.yml b/.travis.yml
index d08dcc29d098a96b8eaa8bf8f37d1030a57e7092..296296e3a2f9d5ca9688d837d865366a798372d2 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,6 @@ branches:
   only:
     - master
 
-# Prefer docker containers
-sudo: required
-
 language: python
 
 python:
@@ -26,13 +23,17 @@ matrix:
     env: TOXENV=py35
   - python: "3.6"
     env: TOXENV=py36
+  - python: "3.7"
+    dist: xenial
+    env: TOXENV=py37
   - python: "2.7"
     env: TOXENV=py27-flake8
-  - python: "3.4"
-    env: TOXENV=py34-flake8
+  - python: "3.7"
+    dist: xenial
+    env: TOXENV=py37-flake8
 
 install:
-  - travis_retry pip install --upgrade pip setuptools tox
+  - travis_retry pip install --upgrade "pip < 19.1" setuptools tox
 
 script:
   - tox