Use readfile from util.py.
diff --git a/Lib/lib-stdwin/filewin.py b/Lib/lib-stdwin/filewin.py
index 1beb0b6..6a224e7 100644
--- a/Lib/lib-stdwin/filewin.py
+++ b/Lib/lib-stdwin/filewin.py
@@ -1,21 +1,8 @@
# Module 'filewin'
# File windows, a subclass of textwin (which is a subclass of gwin)
-import stdwin
import textwin
-import path
-
-builtin_open = open
-
-def readfile(fn): # Return a string containing the file's contents
- fp = builtin_open(fn, 'r')
- a = ''
- n = 8096
- while 1:
- b = fp.read(n)
- if not b: break
- a = a + b
- return a
+from util import readfile
# FILE WINDOW