Jython doesn't have sys.setcheckinterval() - ignore it in that case.
diff --git a/Tools/pybench/pybench.py b/Tools/pybench/pybench.py
index 7fff065..d2da609 100755
--- a/Tools/pybench/pybench.py
+++ b/Tools/pybench/pybench.py
@@ -860,7 +860,7 @@
             value = 2147483647
             try:
                 sys.setcheckinterval(value)
-            except NotImplementedError:
+            except (AttributeError, NotImplementedError):
                 print '* Python version doesn\'t support sys.setcheckinterval'
             else:
                 print '* system check interval set to maximum: %s' % value