From 0fe2abbbdb00049125da2bd3bacafd8af6fad829 Mon Sep 17 00:00:00 2001
From: Bridger Maxwell <bridgeyman@gmail.com>
Date: Tue, 7 Aug 2012 18:39:19 -0400
Subject: [PATCH] Added docstring.

---
 common/lib/xmodule/xmodule/capa_module.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/lib/xmodule/xmodule/capa_module.py b/common/lib/xmodule/xmodule/capa_module.py
index 3563e23611..4fefe237a5 100644
--- a/common/lib/xmodule/xmodule/capa_module.py
+++ b/common/lib/xmodule/xmodule/capa_module.py
@@ -139,6 +139,13 @@ class CapaModule(XModule):
 
     @lazyproperty
     def lcp(self):
+        """
+        Loading the problem can be fairly expensive, so we do this lazily.
+        
+        This can throw errors. Always be sure to use try/catch before
+        displaying modules to a user.
+        """
+        
         if self.rerandomize == 'never':
             seed = 1
         elif self.rerandomize == "per_student" and hasattr(self.system, 'id'):