Fix for Python versions before 2.2, where tuple() requires an argument.

git-svn-id: http://scons.tigris.org/svn/scons/trunk@3402 fdb21ef1-2011-0410-befe-b5e4ea1792b1

diff --git a/src/engine/SCons/Executor.py b/src/engine/SCons/Executor.py
index 0c198e26b08fb2c3516c1b3b7766ea99cc5ff795..fe3cb622c30bb7b15bea966c216563c24c90d1eb 100644 (file)
--- a/src/engine/SCons/Executor.py
+++ b/src/engine/SCons/Executor.py
@@ -360,7 +360,7 @@ class Null:
     def prepare(self):
         pass
     def get_unignored_sources(self, *args, **kw):
-        return tuple()
+        return tuple(())
     def get_action_list(self):
         return []
     def __call__(self, *args, **kw):