Index: Lib/ConfigParser.py
===================================================================
--- Lib/ConfigParser.py	(revision 55600)
+++ Lib/ConfigParser.py	(working copy)
@@ -441,10 +441,7 @@
         optname = None
         lineno = 0
         e = None                                  # None, or an exception
-        while True:
-            line = fp.readline()
-            if not line:
-                break
+        for line in fp:
             lineno = lineno + 1
             # comment or blank line?
             if line.strip() == '' or line[0] in '#;':