diff --git a/Lib/idlelib/textView.py b/Lib/idlelib/textView.py
index 845d754..b5fd7cd 100644
--- a/Lib/idlelib/textView.py
+++ b/Lib/idlelib/textView.py
@@ -80,7 +80,8 @@
     root=Tk()
     root.title('textView test')
     filename = './textView.py'
-    text = open(filename, 'r').read()
+    with open(filename, 'r') as f:
+        text = f.read()
     btn1 = Button(root, text='view_text',
                   command=lambda:view_text(root, 'view_text', text))
     btn1.pack(side=LEFT)