diff -r e7d3b509af8b -r 08a0f04b56bd mercurial/dispatch.py
--- a/mercurial/dispatch.py	Mon Jan 25 00:05:22 2010 -0600
+++ b/mercurial/dispatch.py	Mon Jan 25 00:05:27 2010 -0600
@@ -35,7 +35,8 @@
 
     for name in 'SIGBREAK', 'SIGHUP', 'SIGTERM':
         num = getattr(signal, name, None)
-        if num: signal.signal(num, catchterm)
+        if num:
+            signal.signal(num, catchterm)
 
     try:
         try: