diff --git a/bench/bench.py b/bench/bench.py
index 0a356a990..c9644ef61 100644
--- a/bench/bench.py
+++ b/bench/bench.py
@@ -7,4 +7,4 @@ if __name__ == '__main__':
     p = pstats.Stats("prof")
     p.strip_dirs()
     p.sort_stats('cumulative')
-    print p.print_stats(30)
+    print(p.print_stats(30))
diff --git a/bench/empty.py b/bench/empty.py
index c9e2e6b5f..ac5e25701 100644
--- a/bench/empty.py
+++ b/bench/empty.py
@@ -1,3 +1,3 @@
-
+import py
 for i in range(1000):
-    exec "def test_func_%d(): pass" % i
+    py.builtin.exec_("def test_func_%d(): pass" % i)