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-rw-r--r--python/qpid/spec.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/python/qpid/spec.py b/python/qpid/spec.py
index 70e09aa1e9..b270c45e13 100644
--- a/python/qpid/spec.py
+++ b/python/qpid/spec.py
@@ -204,6 +204,8 @@ class Method(Metadata):
code += " return self.invoke(%s" % Method.METHOD
if argnames:
code += ", (%s,)" % argnames
+ else:
+ code += ", ()"
if self.content:
code += ", content"
code += ")"