# HG changeset patch
# User Neil Muller <drnlmuller@gmail.com>
# Date 1378427384 -7200
# Node ID 14339d2d46bce149c40238add72fe997f745a246
# Parent  fdda26d1f672672d4d2fae9d3bb0e1ad950f8120
Only add objects with actual puzzlers to the glue

diff -r fdda26d1f672 -r 14339d2d46bc nagslang/puzzle.py
--- a/nagslang/puzzle.py	Fri Sep 06 02:21:01 2013 +0200
+++ b/nagslang/puzzle.py	Fri Sep 06 02:29:44 2013 +0200
@@ -18,6 +18,11 @@
     def add_component(self, name, puzzler):
         if not isinstance(puzzler, Puzzler):
             puzzler = puzzler.puzzler
+            if puzzler is None:
+                # We've got a name, but no puzzler,
+                # so we shouldn't actually be stuck
+                # in here
+                return
         self._components[name] = puzzler
         puzzler.set_glue(self)