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-rw-r--r--src/engine/SCons/EnvironmentTests.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/engine/SCons/EnvironmentTests.py b/src/engine/SCons/EnvironmentTests.py
index 4b57763..e3259d4 100644
--- a/src/engine/SCons/EnvironmentTests.py
+++ b/src/engine/SCons/EnvironmentTests.py
@@ -164,7 +164,7 @@ class TestEnvironmentFixture(object):
default_keys = { 'CC' : 'cc',
'CCFLAGS' : '-DNDEBUG',
'ENV' : { 'TMP' : '/tmp' } }
- for key, value in default_keys.items():
+ for key, value in list(default_keys.items()):
if key not in kw:
kw[key] = value
if 'BUILDERS' not in kw: