Travis: documentation suggests we need to add postgresql-client package pre-startup

diff --git a/.travis.yml b/.travis.yml
index 25f7d8b4c9e12a4f1776004ebc47c48c52f44d47..0ee3859249b9085f6cc54f8576e79f604e07e40b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,10 @@ python:
   - "3.6"
 addons:
   postgresql: "9.6"
+  apt:
+    packages:
+      postgresql-server-dev-9.6
+      postgresql-client-9.6
 git:
   depth: 3
 env: