# HG changeset patch
# User Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
# Date 1234910808 -3600
# Node ID 30fe8f5afbd8905e5b26e65501479a6c6144d206
# Parent  88a74f590986aa73b3b2a0bfc50c95cd5dc76426
fix _instantiate_selector() mini bug (make sure obj is a class before calling issubclass)

diff -r 88a74f590986 -r 30fe8f5afbd8 vregistry.py
--- a/vregistry.py	Tue Feb 17 23:45:51 2009 +0100
+++ b/vregistry.py	Tue Feb 17 23:46:48 2009 +0100
@@ -653,7 +653,7 @@
     """
     if isinstance(selector, types.FunctionType):
         return objectify_selector(selector)()
-    if issubclass(selector, Selector):
+    if isinstance(selector, type) and issubclass(selector, Selector):
         return selector()
     return selector