diff -r e24793fae424 -r 1b734faab67a cobalt.py
--- a/cobalt.py	Tue Aug 11 19:12:30 2015 +0300
+++ b/cobalt.py	Sun Aug 16 10:59:22 2015 +0300
@@ -38,17 +38,21 @@
 import hgpoll as HgPoll
 import bt as Bt
 import irc as Irc
-import rest as Rest
+import rest
 
 if __name__ != '__main__':
 	raise ImportError ('cobalt may not be imported as a module')
 
+if sys.version_info < (3, 0):
+	print ('''cobalt requires Python 3 to run''', file=sys.stderr)
+	quit (1)
+
 g_BotActive = False
 
 #
 # Exception handling
 #
-def handle_exception(excType, excValue, trace):
+def handle_exception (excType, excValue, trace):
 	excepterm (traceback.format_exception(excType, excValue, trace))
 
 def excepterm (data):
@@ -58,7 +62,7 @@
 			Irc.broadcast (line)
 
 	for client in Irc.all_clients:
-		if len(data) > 0:
+		if data:
 			client.exceptdie()
 		else:
 			client.quit_irc()
@@ -78,12 +82,10 @@
 	g_BotActive = False
 
 	try:
-		uid = os.geteuid()
+		if os.geteuid() == 0 and input ('Do you seriously want to run cobalt as root? [y/N] ') != 'y':
+			quit()
 	except:
-		uid = -1
-
-	if uid == 0 and raw_input ('Do you seriously want to run cobalt as root? [y/N] ') != 'y':
-		quit()
+		pass
 
 	ConfigFile.init()
 	ModuleCore.init_data()
@@ -104,10 +106,9 @@
 					break
 			else:
 				raise ValueError ('unknown autoconnect entry "%s"' % (aconn))
-		
-		# Start the REST server
+
 		if Config.get_node ('rest').get_value ('active', True):
-			Rest.RESTServer()
+			rest.RestServer()
 		
 		g_BotActive = True
 		asyncore.loop()