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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 5a49bf106..7bc822d70 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,6 +37,7 @@ matrix:
services: xvfb
install:
+ - "sudo apt-get install graphviz"
- if [ $IS_PYTHON = true ]; then pip install -U tox codecov; fi
- if [ $IS_PYTHON = false ]; then npm install; fi