diff --git a/evennia/commands/default/unloggedin.py b/evennia/commands/default/unloggedin.py
index a82f74293c..b88b1608d6 100644
--- a/evennia/commands/default/unloggedin.py
+++ b/evennia/commands/default/unloggedin.py
@@ -261,7 +261,7 @@ class CmdUnconnectedCreate(MuxCommand):
             session.msg("Sorry, there is already a player with the name '%s'." % playername)
             return
         # Reserve playernames found in GUEST_LIST
-        if settings.GUEST_LIST and playername.lower() in map(str.lower, settings.GUEST_LIST):
+        if settings.GUEST_LIST and playername.lower() in (guest.lower() for guest in settings.GUEST_LIST):
             string = "\n\r That name is reserved. Please choose another Playername."
             session.msg(string)
             return
diff --git a/evennia/utils/ansi.py b/evennia/utils/ansi.py
index 0f7e93e2a4..e7b45e988b 100644
--- a/evennia/utils/ansi.py
+++ b/evennia/utils/ansi.py
@@ -595,7 +595,7 @@ class ANSIString(with_metaclass(ANSIMeta, unicode)):
         char_indexes = kwargs.pop('char_indexes', None)
         clean_string = kwargs.pop('clean_string', None)
         # All True, or All False, not just one.
-        checks = map(lambda x: x is None, [code_indexes, char_indexes, clean_string])
+        checks = [x is None for x in [code_indexes, char_indexes, clean_string]]
         if not len(set(checks)) == 1:
             raise ValueError("You must specify code_indexes, char_indexes, "
                              "and clean_string together, or not at all.")