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-rw-r--r--src/engine/SCons/compat/_scons_sets.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/engine/SCons/compat/_scons_sets.py b/src/engine/SCons/compat/_scons_sets.py
index 54450b3..0fde994 100644
--- a/src/engine/SCons/compat/_scons_sets.py
+++ b/src/engine/SCons/compat/_scons_sets.py
@@ -90,7 +90,7 @@ class BaseSet(object):
__str__ = __repr__
def _repr(self, sort_them=False):
- elements = self._data.keys()
+ elements = list(self._data.keys())
if sort_them:
elements.sort()
return '%s(%r)' % (self.__class__.__name__, elements)