16267: implement review feedback.

[arvados.git] / tools / arvbox / lib / arvbox / docker / yml_override.py

diff --git a/tools/arvbox/lib/arvbox/docker/yml_override.py b/tools/arvbox/lib/arvbox/docker/yml_override.py
index 446448f5eb78766d118845ca28d7255b45dc283a..7f35ac1d686984fbbc51101f8aa1a508e8ae28e0 100755 (executable)
--- a/tools/arvbox/lib/arvbox/docker/yml_override.py
+++ b/tools/arvbox/lib/arvbox/docker/yml_override.py
@@ -20,7 +20,7 @@ with open(fn) as f:
 def recursiveMerge(a, b):
     if isinstance(a, dict) and isinstance(b, dict):
         for k in b:
-            print k
+            print(k)
             a[k] = recursiveMerge(a.get(k), b[k])
         return a
     else: