--- Lib/test/regrtest.py
+++ Lib/test/regrtest.py
@@ -363,7 +363,7 @@
             try:
                 result = runtest(*args, **kwargs)
             except BaseException, e:
-                result = INTERRUPTED, e.__class__.__name__
+                result = INTERRUPTED, 0.0, e.__class__.__name__
             print   # Force a newline (just in case)
             print json.dumps(result)
             sys.exit(0)
@@ -465,7 +465,7 @@
     save_modules = sys.modules.keys()
 
     def accumulate_result(test, result):
-        ok, test_time = result
+        ok, test_time = result[:2]
         test_times.append((test_time, test))
         if ok == PASSED:
             good.append(test)
@@ -565,8 +565,7 @@
                 sys.stdout.flush()
                 sys.stderr.flush()
                 if result[0] == INTERRUPTED:
-                    assert result[1] == 'KeyboardInterrupt'
-                    raise KeyboardInterrupt   # What else?
+                    raise KeyboardInterrupt
                 accumulate_result(test, result)
                 if not quiet:
                     fmt = "[{1:{0}}{2}/{3}] {4}" if bad else "[{1:{0}}{2}] {4}"