[HOTFIX] Specify scipy version to fix travis failure
(cherry picked from commit f3f4c900f50e2d0b3c6e37a81a0d7353717a2444)
diff --git a/testing/install_external_dependencies.sh b/testing/install_external_dependencies.sh
index 605380e..6c65ac5 100755
--- a/testing/install_external_dependencies.sh
+++ b/testing/install_external_dependencies.sh
@@ -45,6 +45,6 @@
conda update -q conda
conda info -a
conda config --add channels conda-forge
- conda install -q numpy=1.12.1 pandas=0.21.1 matplotlib=2.1.1 pandasql=0.7.3 ipython=5.4.1 jupyter_client=5.1.0 ipykernel=4.7.0 bokeh=0.12.10
- pip install -q ggplot==0.11.5 grpcio==1.8.2 bkzep==0.4.0
+ conda install -q numpy=1.13.3 pandas=0.21.1 matplotlib=2.1.1 pandasql=0.7.3 ipython=5.4.1 jupyter_client=5.1.0 ipykernel=4.7.0 bokeh=0.12.10
+ pip install -q scipy==0.18.0 ggplot==0.11.5 grpcio==1.8.2 bkzep==0.4.0
fi
