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-rw-r--r--setuptools/dist.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/setuptools/dist.py b/setuptools/dist.py
index f295ca4e..fd23d9ba 100644
--- a/setuptools/dist.py
+++ b/setuptools/dist.py
@@ -255,7 +255,7 @@ class Distribution(_Distribution):
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
- if self.convert_doctests_2to3:
+ if getattr(self, 'convert_doctests_2to3', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_doctests_2to3 = [os.path.abspath(p) for p in self.convert_doctests_2to3]
else: