1 files changed, 4 insertions, 4 deletions
diff --git a/test/option--random.py b/test/option--random.py
index 357cf2e..2944ad8 100644
--- a/test/option--random.py
+++ b/test/option--random.py
@@ -38,10 +38,10 @@ test = TestSCons.TestSCons()
 test.write('SConscript', """\
 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())
 env = Environment(BUILDERS={'Cat':Builder(action=cat)})
 env.Cat('aaa.out', 'aaa.in')
 env.Cat('bbb.out', 'bbb.in')