selftest: Avoid accessing deprecated BaseException.message.

Thanks to Andreas for pointing this out.

diff --git a/selftest/subunithelper.py b/selftest/subunithelper.py
index 163f2ba7dbcb81765487ffa5cd48ebb815ea668f..5128d4a63ae09d0a2e31c5722faf6632ed59edbb 100644 (file)
--- a/selftest/subunithelper.py
+++ b/selftest/subunithelper.py
@@ -285,7 +285,7 @@ class FilterOps(testtools.testresult.TestResult):
             self.xfail_added+=1
             self.total_xfail+=1
             if details is not None:
-                details = subunit.RemoteError(details[1].message + xfail_reason.decode("utf-8"))
+                details = subunit.RemoteError(unicode(details[1]) + xfail_reason.decode("utf-8"))
             else:
                 details = subunit.RemoteError(xfail_reason.decode("utf-8"))
             self._ops.addExpectedFailure(test, details)