update

script/install.sh

 #!/bin/bash
 
 if [ "${TRAVIS_OS_NAME}" != "windows" ]; then
-  pip install .\[test\]
+  python setup.py develop
 else
   echo "pip install .[test]"
   while sleep 30; do echo "=====[ Still running after $SECONDS seconds ]====="; done &
-  pip install .\[test\] | tail -n 1000
+  python setup.py develop | tail -n 1000
   kill %1
 fi