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-rw-r--r--src/engine/SCons/SConfTests.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/engine/SCons/SConfTests.py b/src/engine/SCons/SConfTests.py
index f7d33f8..25c89d2 100644
--- a/src/engine/SCons/SConfTests.py
+++ b/src/engine/SCons/SConfTests.py
@@ -163,9 +163,10 @@ class SConfTestCase(unittest.TestCase):
def __init__(self, name):
self.name = name
self.state = None
- self.waiting_parents = {}
+ self.waiting_parents = set()
self.side_effects = []
self.builder = None
+ self.prerequisites = []
def disambiguate(self):
return self
def has_builder(self):