Attempting to fix travis.

Author: cnuernber

.travis.yml

@@ -1,7 +1,9 @@
 language: clojure
 lein: 2.9.1
+sudo: required
 before_install:
   - sudo apt-get -y install python3 python3-pip
+  - sudo python3 -mpip install setuptools
   - sudo python3 -mpip install numpy
   - curl -O https://download.clojure.org/install/linux-install-1.10.1.507.sh
   - chmod +x linux-install-1.10.1.507.sh