Fix another map(...) --> list(map...)
diff --git a/Lib/idlelib/CallTips.py b/Lib/idlelib/CallTips.py
index 606ab8e..f166867 100644
--- a/Lib/idlelib/CallTips.py
+++ b/Lib/idlelib/CallTips.py
@@ -152,7 +152,7 @@
defaults = fob.__defaults__ or []
defaults = list(map(lambda name: "=%s" % repr(name), defaults))
defaults = [""] * (len(real_args) - len(defaults)) + defaults
- items = map(lambda arg, dflt: arg + dflt, real_args, defaults)
+ items = list(map(lambda arg, dflt: arg + dflt, real_args, defaults))
if fob.__code__.co_flags & 0x4:
items.append("...")
if fob.__code__.co_flags & 0x8: