enable test case in Py3

diff --git a/tests/run/argdefault.pyx b/tests/run/argdefault.pyx
index d1cdf7b41158e90aaf617dd82a8277d749bfb0f6..6e1b60bb13b495153493034eff35ea4996920491 100644 (file)
--- a/tests/run/argdefault.pyx
+++ b/tests/run/argdefault.pyx
@@ -1,4 +1,4 @@
-__doc__ = """
+__doc__ = u"""
 >>> f0()
 (1, 2)
 >>> g0()