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-rw-r--r--src/engine/SCons/Executor.py2
-rw-r--r--src/engine/SCons/ExecutorTests.py2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/engine/SCons/Executor.py b/src/engine/SCons/Executor.py
index 6767cc8..68af6ed 100644
--- a/src/engine/SCons/Executor.py
+++ b/src/engine/SCons/Executor.py
@@ -164,7 +164,7 @@ class Executor:
def nullify(self):
self.__call__ = self.do_nothing
- self.string = None
+ self.string = ''
self._strfunc = None
def get_raw_contents(self):
diff --git a/src/engine/SCons/ExecutorTests.py b/src/engine/SCons/ExecutorTests.py
index d52853c..dc98818 100644
--- a/src/engine/SCons/ExecutorTests.py
+++ b/src/engine/SCons/ExecutorTests.py
@@ -237,7 +237,7 @@ class ExecutorTestCase(unittest.TestCase):
x(MyNode([], []), None)
assert result == [], result
s = str(x)
- assert s == None, s
+ assert s == '', s
s = x.strfunction()
assert s == None, s