Update pusher/util.py

Co-authored-by: Evgenii Breikin <[email protected]>

Author: andersonrocha0

pusher/util.py

@@ -92,12 +92,10 @@ def validate_channel(channel):
     if len(channel) > 200:
         raise ValueError("Channel too long: %s" % channel)
 
-    if "server-to-user" in channel:
+    if channel.startswith(SERVER_TO_USER_PREFIX):
         if not server_to_user_channel_re.match(channel):
             raise ValueError("Invalid server to user Channel: %s" % channel)
-        return channel
-
-    if not channel_name_re.match(channel):
+    elif not channel_name_re.match(channel):
         raise ValueError("Invalid Channel: %s" % channel)
 
     return channel