update pip on install

rnpridgeon · rnpridgeon · commit f41b9bbc1cbc · 2018-06-26T11:09:26.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -26,6 +26,7 @@ matrix:
 
 install:
  - if [[ $TRAVIS_OS_NAME == "osx" ]]; then python -m ensurepip && virtualenv /tmp/venv && source /tmp/venv/bin/activate ; fi
+ - pip install --upgrade pip
  - pip install -U pip
  - if [[ -z $CIBW_BEFORE_BUILD ]]; then pip install pytest-timeout flake8 ; fi
  - if [[ -z $CIBW_BEFORE_BUILD ]]; then rm -rf tmp-build ; tools/bootstrap-librdkafka.sh --require-ssl ${LIBRDKAFKA_VERSION} tmp-build ; fi
