Adapt to Stackless 3.7

Fix two minor failures caused by changes in the Python argument
processing and error handling.

Author: Anselm Kruis

stackless_testsuite/util.py

@@ -185,6 +185,7 @@ def _checkSignature(self, func, nb_mandatory, accept_arbitrary, additionalArg, *
                                    func, *(args + [additionalArg]))
         if nb_mandatory > 0:
             exc_msg = r"(takes|expected) at least {0} argument|Required argument '{1}' \(pos 1\) not found".format(nb_mandatory, names[0])
+            exc_msg += r"|{0}\(\) missing required argument '{1}' \(pos 1\)".format(func.__name__, names[0])
             if len(args) == nb_mandatory:
                 if nb_mandatory == 1:
                     exc_msg = r"takes exactly one argument"

stackless_testsuite/v3_1/tasklet/test_thread.py

@@ -470,7 +470,7 @@ def test_bind_to_bogus_tid(self):
         t.remove()
         with theThread:
             self.assertEqual(t.thread_id, theThread.ident)
-            self.assertRaises(ValueError, t.bind_thread, -2)
+            self.assertRaises((ValueError, OverflowError), t.bind_thread, -2)
             t.bind_thread(current_id)
         self.assertEqual(t.thread_id, current_id)
         t.run()