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-rw-r--r--.travis.yml1
1 files changed, 1 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index ef3ec362c4..eeeaee85df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -85,6 +85,7 @@ before_install:
# Install various dependencies
install:
- pip install --upgrade pip
+ - pip install --upgrade six
- pip install --upgrade setuptools
- pip install --upgrade codecov
- pip install --upgrade flake8