Normalizes type to lowercase in client_list()

I know @RoeyPrat has a lot on his plate atm so taking some liberty here.

1 files changed, 1 insertions, 1 deletions

diff --git a/redis/client.py b/redis/client.py
index f3dcc2c..e1beea1 100755
--- a/redis/client.py
+++ b/redis/client.py
@@ -795,7 +795,7 @@ class StrictRedis(object):
         """
         "Returns a list of currently connected clients"
         if _type is not None:
-            if _type not in ['normal', 'master', 'replica', 'pubsub']:
+            if str(_type).lower() not in ['normal', 'master', 'replica', 'pubsub']:
                 raise RedisError("CLIENT LIST _type must be one of ('normal',"
                                  " 'master', 'replica', 'pubsub')")
             return self.execute_command('CLIENT LIST', Token.get_token('TYPE'),