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-rw-r--r--blinker/_utilities.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/blinker/_utilities.py b/blinker/_utilities.py
index 45e58ff..babeb74 100644
--- a/blinker/_utilities.py
+++ b/blinker/_utilities.py
@@ -36,7 +36,7 @@ except:
def __reduce__(self):
if self.default_factory is None:
- args = tuple()
+ args = ()
else:
args = self.default_factory,
return type(self), args, None, None, self.items()