From fd29f0fc9927a84153079459261e2d60ffaf9432 Mon Sep 17 00:00:00 2001
From: Aaron Boman <aaron@aaronboman.com>
Date: Sun, 9 Oct 2016 20:31:13 -0500
Subject: [PATCH] Fix stage test

---
 src/build/virtual_target.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/build/virtual_target.py b/src/build/virtual_target.py
index 2a0a1e5cb..e5a130476 100644
--- a/src/build/virtual_target.py
+++ b/src/build/virtual_target.py
@@ -1102,8 +1102,8 @@ class Subvariant:
         or as dependency properties. Targets referred with
         dependency property are returned a properties, not targets."""
         if __debug__:
-            from .targets import GenerateResult
-            assert isinstance(result, GenerateResult)
+            from .property import Property
+            assert is_iterable_typed(result, (VirtualTarget, Property))
         # Find directly referenced targets.
         deps = self.build_properties().dependency()
         all_targets = self.sources_ + deps