convert shebang lines: python -> python3
diff --git a/Lib/test/pystone.py b/Lib/test/pystone.py
index 614551f..aad4d8c 100755
--- a/Lib/test/pystone.py
+++ b/Lib/test/pystone.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
 """
 "PYSTONE" Benchmark Program