Silence unclosed open file ResourceWarning.

terryjreedy · terryjreedy · commit bf4cba7e8b2f · 2013-05-13T16:07:44.000-04:00
diff --git a/Lib/idlelib/textView.py b/Lib/idlelib/textView.py
@@ -80,7 +80,8 @@ def view_file(parent, title, filename, encoding=None, modal=True):
     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)
