1 files changed, 4 insertions, 4 deletions
diff --git a/test/Install/wrap-by-attribute.py b/test/Install/wrap-by-attribute.py
index 6989fa8..014b7a5 100644
--- a/test/Install/wrap-by-attribute.py
+++ b/test/Install/wrap-by-attribute.py
@@ -47,10 +47,10 @@ import os.path
 
 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 ofp:
+        for src in source:
+            with open(str(src), 'rb') as ifp:
+                ofp.write(ifp.read())
 
 env = Environment(tools=[], DESTDIR='dest')
 env.Append(BUILDERS={'Cat':Builder(action=cat)})