1 files changed, 4 insertions, 4 deletions
diff --git a/test/Move.py b/test/Move.py
index b58fa34..1da3aa7 100644
--- a/test/Move.py
+++ b/test/Move.py
@@ -37,10 +37,10 @@ Execute(Move('f1.out', 'f1.in'))
 Execute(Move('File-f1.out', File('f1.in-File')))
 def cat(env, source, target):
     target = str(target[0])
-    f = open(target, "wb")
-    for src in source:
-        f.write(open(str(src), "rb").read())
-    f.close()
+    with open(target, "wb") as f:
+        for src in source:
+            with open(str(src), "rb") as ifp:
+                f.write(ifp.read())
 Cat = Action(cat)
 env = Environment()
 env.Command('f2.out', 'f2.in', [Cat, Move("f3.out", "f3.in")])