Fix for SF bug 570678 (can't flush read-only file on Mac OS X).
diff --git a/Lib/CGIHTTPServer.py b/Lib/CGIHTTPServer.py
index fbd82c9..0279117 100644
--- a/Lib/CGIHTTPServer.py
+++ b/Lib/CGIHTTPServer.py
@@ -193,7 +193,6 @@
             if '=' not in decoded_query:
                 args.append(decoded_query)
             nobody = nobody_uid()
-            self.rfile.flush() # Always flush before forking
             self.wfile.flush() # Always flush before forking
             pid = os.fork()
             if pid != 0: