Index: caldavclientlibrary/browser/baseshell.py
===================================================================
--- caldavclientlibrary/browser/baseshell.py	(revision 13316)
+++ caldavclientlibrary/browser/baseshell.py	(working copy)
@@ -19,6 +19,7 @@
 from caldavclientlibrary.browser.command import UnknownCommand
 from caldavclientlibrary.protocol.url import URL
 from caldavclientlibrary.protocol.webdav.definitions import davxml
+import sys
 import os
 import readline
 import traceback
@@ -70,7 +71,10 @@
 
         old_completer = readline.get_completer()
         readline.set_completer(self.complete)
-        readline.parse_and_bind("bind ^I rl_complete")
+        if sys.platform == 'darwin' and sys.version_info[0] == 2:
+            readline.parse_and_bind("bind ^I rl_complete")
+        else:
+            readline.parse_and_bind("tab: complete")
 
         while True:
             cmdline = raw_input("%s > " % (self.prefix,))