# HG changeset patch
# User James D. Callahan III <jcallahan@curse.com>
# Date 1341365117 18000
# Node ID 63f7286e5d133fbcfa2137d1848259f418842cb3
# Parent  11fcae12db206623b658e0f55e3d3e2714ba500c
Check for nil NPC in TRAINER_SHOW.

diff -r 11fcae12db20 -r 63f7286e5d13 Main.lua
--- a/Main.lua	Tue Jul 03 19:44:41 2012 -0500
+++ b/Main.lua	Tue Jul 03 20:25:17 2012 -0500
@@ -1133,6 +1133,10 @@
     end
     local unit_type, unit_idnum = ParseGUID(_G.UnitGUID("target"))
     local npc = NPCEntry(unit_idnum)
+
+    if not npc then
+        return
+    end
     npc.teaches = npc.teaches or {}
 
     -- Get the initial trainer filters