THRIFT-3452 .travis.yml: Migrating from legacy to container-based infrastructure
Client: Build
Patch: Nobuaki Sukegawa

Use "services: docker"

This closes #730
diff --git a/test/crossrunner/prepare.py b/test/crossrunner/prepare.py
index 6e4f6ee..c6784af 100644
--- a/test/crossrunner/prepare.py
+++ b/test/crossrunner/prepare.py
@@ -20,7 +20,7 @@
 import os
 import subprocess
 
-from crossrunner.collect import collect_testlibs
+from .collect import collect_testlibs
 
 
 def prepare(config_dict, testdir, server_match, client_match):