Install twine into a new virtualenv, not globally

zopefoundation · Nov 11, 2019 · cc4af28 · cc4af28
1 parent 1836a9f
commit cc4af28
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -77,8 +77,8 @@ after_success:
     if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
       # macpython 3.5 doesn't support recent TLS protocols which causes twine
       # upload to fail, so we use the system Python to run twine
-      /usr/bin/python -m ensurepip
-      /usr/bin/python -m pip install twine
+      virtualenv -p /usr/bin/python .twine-env && . .twine-env/bin/activate
+      pip install twine
       twine check dist/*
       if [[ $TRAVIS_TAG ]]; then
         twine upload --skip-existing dist/*