diff --git a/pysollib/game.py b/pysollib/game.py
index 3252a4fe..9ce3118b 100644
--- a/pysollib/game.py
+++ b/pysollib/game.py
@@ -31,7 +31,6 @@ import traceback
 from pysollib.mygettext import _
 
 from gettext import ungettext
-from cStringIO import StringIO
 
 # PySol imports
 from pysollib.mfxutil import Pickler, Unpickler, UnpicklingError
@@ -62,9 +61,12 @@ from pysollib.hint import DefaultHint
 from pysollib.help import help_about
 
 if sys.version_info > (3,):
+    from io import StringIO
     basestring = str
     long = int
     xrange = range
+else:
+    from cStringIO import StringIO
 
 PLAY_TIME_TIMEOUT = 200
 
@@ -825,7 +827,7 @@ class Game:
             else:
                 # new group
                 sg[s] = [s.id]
-        sg = sg.values()
+        sg = list(sg.values())
         self.sn_groups = sg
         # print sg
 
diff --git a/pysollib/gamedb.py b/pysollib/gamedb.py
index 4d110d3f..c1cdf891 100644
--- a/pysollib/gamedb.py
+++ b/pysollib/gamedb.py
@@ -449,7 +449,7 @@ class GameInfo(Struct):
                  # keyword arguments:
                  si={}, category=0,
                  short_name=None, altnames=(),
-                 suits=range(4), ranks=range(13), trumps=(),
+                 suits=list(range(4)), ranks=list(range(13)), trumps=(),
                  rules_filename=None,
                  ):
         #
@@ -636,11 +636,11 @@ class GameManager:
 
     def getAllGames(self):
         # return self.__all_games
-        return self.__games.values()
+        return list(self.__games.values())
 
     def getGamesIdSortedById(self):
         if self.__games_by_id is None:
-            l = self.__games.keys()
+            l = list(self.__games.keys())
             l.sort()
             self.__games_by_id = tuple(l)
         return self.__games_by_id