fixed issue 907

VERSION

@@ -1 +1 @@
-Version 2.00.0 (2012-07-25 21:04:51) dev
+Version 2.00.0 (2012-07-25 21:12:30) dev

gluon/cfs.py

@@ -33,7 +33,10 @@ def getcfs(key, filename, filter=None):
 
     This is used on Google App Engine since pyc files cannot be saved.
     """
-    t = os.stat(filename).st_mtime
+    try:
+        t = os.stat(filename).st_mtime
+    except OSError:
+        return filter()
     cfs_lock.acquire()
     item = cfs.get(key, None)
     cfs_lock.release()