Upgrade pip on Linux before using it

Current version 9.0.1 is causing an `InsecurePlatformWarning`.
Bouke · Oct 20, 2018 · dd2e263 · dd2e263
1 parent 8bda116
commit dd2e263
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -13,7 +13,7 @@ before_install:
   - python -V
   - pip -V
 install:
-  - if [ $INTEGRATION_TESTS == 'true' ]; then pip install srptools; fi
+  - if [ $INTEGRATION_TESTS == 'true' ]; then pip install --upgrade pip; pip install srptools; fi
   - eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/9f442512a46d7a2af7b850d65a7e9bd31edfb09b/swiftenv-install.sh)"
 script: 
   - if [ $INTEGRATION_TESTS == 'true' ]; then make test-with-python; fi