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-rw-r--r--src/engine/SCons/Node/NodeTests.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/engine/SCons/Node/NodeTests.py b/src/engine/SCons/Node/NodeTests.py
index ad9eb66..09ab5c7 100644
--- a/src/engine/SCons/Node/NodeTests.py
+++ b/src/engine/SCons/Node/NodeTests.py
@@ -33,6 +33,7 @@ import UserList
import SCons.Errors
import SCons.Node
+import SCons.Util
@@ -977,7 +978,7 @@ class NodeTestCase(unittest.TestCase):
target = SCons.Node.Node()
source = SCons.Node.Node()
s = target.get_source_scanner(source)
- assert s is None, s
+ assert isinstance(s, SCons.Util.Null), s
ts1 = Scanner()
ts2 = Scanner()