convert shebang lines: python -> python3
diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index 9a9afa6..dbbdad3 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 from test import support
 from test.support import TESTFN