From 5f15480b79a32100de386de7f573e41564c2ef27 Mon Sep 17 00:00:00 2001
From: Steven Knight <knight@baldmt.com>
Date: Fri, 18 Mar 2005 18:39:59 +0000
Subject: Handle situations where the inspect module can't tell Memoizer what
 the sourcefile is.  (Chad Austin)

---
 src/engine/SCons/Memoize.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/engine/SCons/Memoize.py b/src/engine/SCons/Memoize.py
index 55a10ba..afa77ee 100644
--- a/src/engine/SCons/Memoize.py
+++ b/src/engine/SCons/Memoize.py
@@ -796,7 +796,7 @@ else:
                 import inspect # It's OK, can't get here for Python < 2.1
                 superinitcode = compile(
                     "lambda self, *args, **kw: MPI(self, cls, args, kw)",
-                    inspect.getsourcefile(_MeMoIZeR_superinit),
+                    inspect.getsourcefile(_MeMoIZeR_superinit) or '<unknown>',
                     "eval")
                 superinit = eval(superinitcode,
                                  {'cls':cls,
-- 
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