def test_repr_should_return_str(self):
# https://docs.python.org/3/reference/datamodel.html#object.__repr__
# ...The return value must be a string object.
# (str on py2.x, str (unicode) on py3)
data = [8, 5, 3, 5]
index1 = [u("\u03c3"), u("\u03c4"), u("\u03c5"), u("\u03c6")]
df = Series(data, index=index1)
assert type(df.__repr__() == str) # both py2 / 3
