CI: Require pip < 19.1 for Python 2.7 and 3.4

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

diff --git a/appveyor.yml b/appveyor.yml
index 16dda7d5eaf637f8c326f3940081a94a782a40cb..057f33574809272b7e5082233f41b1c13df94f2a 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -53,7 +53,7 @@ install:
   - "SET TOXPYTHON=%PYTHON_HOME%\\python.exe"
   - "python --version"
   - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-  - "python -m pip install --upgrade pip setuptools"
+  - "python -m pip install --upgrade \"pip < 19.1\" setuptools"
   - "pip install --upgrade \"tox < 3.1\" ppu"
   - "pip --version"