CI(travis): remove deprecated `sudo` keyword

[ppu.git] / .travis.yml

diff --git a/.travis.yml b/.travis.yml
index 462ac6ec5284beb8160de131dbee8f1abd6ace7e..296296e3a2f9d5ca9688d837d865366a798372d2 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,9 +6,6 @@ branches:
   only:
     - master
 
-# Prefer docker containers
-sudo: required
-
 language: python
 
 python:
@@ -36,7 +33,7 @@ matrix:
     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