CI: Require pip < 19.1 for Python 2.7 and 3.4

[ppu.git] / .travis.yml

diff --git a/.travis.yml b/.travis.yml
index 462ac6ec5284beb8160de131dbee8f1abd6ace7e..d7b6ba603fff8fd92e6742da091072a7c0c93420 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,7 +36,7 @@ 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