fix versions of pip-installed python modules for vagrant

diff --git a/vagrant-provision.sh b/vagrant-provision.sh
index e3ce0356eef5365495c860f87cf1e8c8ce6780b9..3fae5b68b87ad02b2f15d77c9c866ec289852189 100755 (executable)
--- a/vagrant-provision.sh
+++ b/vagrant-provision.sh
@@ -156,7 +156,7 @@ sudo chown $USERNAME /var/www/nominatim
 ##
 sudo apt-get install -y python-dev python-pip python-Levenshtein python-shapely \
                         python-psycopg2 tidy python-nose python-tidylib
-sudo pip install lettuce haversine
+sudo pip install lettuce==0.2.18 six==1.7 haversine
 
 ## Test suite (PHP)
 ## https://github.com/twain47/Nominatim/tree/master/tests-php