Implement _use_dep.__nonzero__().

svn path=/main/trunk/; revision=11258

diff --git a/pym/portage/dep.py b/pym/portage/dep.py
index 54f039a38e386934e31fd5cc53ef455efe2f30b7..5dac385f72c91236b0424d9b1fa551f46bbb4e7b 100644 (file)
--- a/pym/portage/dep.py
+++ b/pym/portage/dep.py
@@ -395,6 +395,9 @@ class _use_dep(object):
                                self.conditional = conditional
                                break
 
+       def __nonzero__(self):
+               return bool(self.tokens)
+
        def __str__(self):
                if not self.tokens:
                        return ""