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-rw-r--r--benchmark/benchbase.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/benchmark/benchbase.py b/benchmark/benchbase.py
index 08cba22c..b07551c6 100644
--- a/benchmark/benchbase.py
+++ b/benchmark/benchbase.py
@@ -150,7 +150,7 @@ class BenchMarkBase(object):
return getattr(self, name)
def _serialize_tree(self, root):
- return self.etree.tostring(root, 'UTF-8')
+ return self.etree.tostring(root, encoding='UTF-8')
def et_make_clone_factory(self, elem):
def generate_elem(append, elem, level):