fix missing arg in exception message. thanks Keith Ainsworth

Fixes #559
redis · Nov 15, 2018 · 69eb38f · 69eb38f
1 parent 32a1a3f
commit 69eb38f
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/redis/client.py b/redis/client.py
@@ -3128,10 +3128,12 @@ def handle_message(self, response, ignore_subscribe_messages=False):
     def run_in_thread(self, sleep_time=0, daemon=False):
         for channel, handler in iteritems(self.channels):
             if handler is None:
-                raise PubSubError("Channel: '%s' has no handler registered")
+                raise PubSubError("Channel: '%s' has no handler registered" %
+                                  channel)
         for pattern, handler in iteritems(self.patterns):
             if handler is None:
-                raise PubSubError("Pattern: '%s' has no handler registered")
+                raise PubSubError("Pattern: '%s' has no handler registered" %
+                                  pattern)
 
         thread = PubSubWorkerThread(self, sleep_time, daemon=daemon)
         thread.start()