Excplicitely acquire the warning lock to release it only when we need to.

modules/wolfgame.py

@@ -993,7 +993,8 @@ def toggle_altpinged_status(nick, value, old=None):
                             var.PING_IF_NUMS[old].remove(cloak)
 
 def join_timer_handler(cli):
-    with var.WARNING_LOCK:
+    var.WARNING_LOCK.acquire() # need to do this instead of the context manager
+
     var.PINGING_IFS = True
     to_ping = []
     pl = var.list_players()
@@ -1053,6 +1054,7 @@ def join_timer_handler(cli):
         if to_ping:
             to_ping.sort(key=lambda x: x.lower())
             cli.msg(botconfig.CHANNEL, "PING! {0} players! {1}".format(len(pl), " ".join(to_ping)))
+        var.WARNING_LOCK.release()
 
     cli.who(botconfig.CHANNEL, "%nushaf")