diff --git a/.travis.yml b/.travis.yml
index 1316ffd33595..10b8928c8d8f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,7 +24,7 @@ before_install:
 install:
 # TODO: unpin tox when the following issue is fixed
 # https://bitbucket.org/hpk42/tox/issues/285/tox-220-breaks-some-toxini-config-files
-- pip install tox==2.0.1 coveralls
+- pip install tox coveralls
 
 script:
 - tox
diff --git a/tests/scripts/fetch_gae_sdk.py b/tests/scripts/fetch_gae_sdk.py
old mode 100644
new mode 100755