From 5cad6d1938434b8b9f26d005f071e2bd7d0f9a90 Mon Sep 17 00:00:00 2001
From: Andrew Chen Wang <60190294+Andrew-Chen-Wang@users.noreply.github.com>
Date: Tue, 4 Jan 2022 10:34:20 -0500
Subject: [PATCH] Set keys var otherwise variable not created

---
 redis/commands/parser.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/redis/commands/parser.py b/redis/commands/parser.py
index dadf3c6bf8..4cce800ec3 100644
--- a/redis/commands/parser.py
+++ b/redis/commands/parser.py
@@ -103,6 +103,7 @@ def _get_pubsub_keys(self, *args):
             return None
         args = [str_if_bytes(arg) for arg in args]
         command = args[0].upper()
+        keys = None
         if command == "PUBSUB":
             # the second argument is a part of the command name, e.g.
             # ['PUBSUB', 'NUMSUB', 'foo'].
@@ -117,6 +118,4 @@ def _get_pubsub_keys(self, *args):
             # format example:
             # PUBLISH channel message
             keys = [args[1]]
-        else:
-            keys = None
         return keys