Make reindent.py happy (convert everything to 4-space indents!).
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index 02b5dc3..a6c32b4 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -8,36 +8,36 @@
     raise TestSkipped, "Can't test signal on %s" % sys.platform[:3]
 
 if verbose:
-	x = '-x'
+    x = '-x'
 else:
-	x = '+x'
+    x = '+x'
 pid = os.getpid()
 
 # Shell script that will send us asynchronous signals
 script = """
  (
-	set %(x)s
-	sleep 2
-	kill -5 %(pid)d
-	sleep 2
-	kill -2 %(pid)d
-	sleep 2
-	kill -3 %(pid)d
+        set %(x)s
+        sleep 2
+        kill -5 %(pid)d
+        sleep 2
+        kill -2 %(pid)d
+        sleep 2
+        kill -3 %(pid)d
  ) &
 """ % vars()
 
 def handlerA(*args):
-	if verbose:
-		print "handlerA", args
+    if verbose:
+        print "handlerA", args
 
-HandlerBCalled = "HandlerBCalled"	# Exception
+HandlerBCalled = "HandlerBCalled"       # Exception
 
 def handlerB(*args):
-	if verbose:
-		print "handlerB", args
-	raise HandlerBCalled, args
+    if verbose:
+        print "handlerB", args
+    raise HandlerBCalled, args
 
-signal.alarm(20)			# Entire test lasts at most 20 sec.
+signal.alarm(20)                        # Entire test lasts at most 20 sec.
 signal.signal(5, handlerA)
 signal.signal(2, handlerB)
 signal.signal(3, signal.SIG_IGN)
@@ -48,19 +48,19 @@
 print "starting pause() loop..."
 
 try:
-	while 1:
-		if verbose:
-			print "call pause()..."
-		try:
-			signal.pause()
-			if verbose:
-				print "pause() returned"
-		except HandlerBCalled:
-			if verbose:
-				print "HandlerBCalled exception caught"
-			else:
-				pass
-				
+    while 1:
+        if verbose:
+            print "call pause()..."
+        try:
+            signal.pause()
+            if verbose:
+                print "pause() returned"
+        except HandlerBCalled:
+            if verbose:
+                print "HandlerBCalled exception caught"
+            else:
+                pass
+
 except KeyboardInterrupt:
-	if verbose:
-		print "KeyboardInterrupt (assume the alarm() went off)"
+    if verbose:
+        print "KeyboardInterrupt (assume the alarm() went off)"