CI: Require pip < 19.1 for Python 2.7 and 3.4

[m_librarian.git] / .travis.yml

diff --git a/.travis.yml b/.travis.yml
index 47bf07dd9303abded02be16f1219eab8b5bd20f5..a5004c58dae2c315dc0e7e803b07046bec541eae 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,13 +24,17 @@ 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 ppu
+  - travis_retry pip install --upgrade "pip < 19.1" setuptools tox ppu
 
 script:
   - tox