diff --git a/Lib/test/test_cmd_line_script.py b/Lib/test/test_cmd_line_script.py
--- a/Lib/test/test_cmd_line_script.py
+++ b/Lib/test/test_cmd_line_script.py
@@ -237,17 +237,17 @@ class CmdLineTest(unittest.TestCase):
         # searching for the module to execute
         with temp_dir() as script_dir:
             with support.temp_cwd(path=script_dir):
                 pkg_dir = os.path.join(script_dir, 'test_pkg')
                 make_pkg(pkg_dir, "import sys; print('init_argv0==%r' % sys.argv[0])")
                 script_name = _make_test_script(pkg_dir, 'script')
                 rc, out, err = assert_python_ok('-m', 'test_pkg.script')
                 if verbose > 1:
-                    print(data)
+                    print(out)
                 expected = "init_argv0==%r" % '-m'
                 self.assertIn(expected.encode('utf-8'), out)
                 self._check_output(script_name, rc, out,
                                    script_name, script_name, '', 'test_pkg')
 
     def test_issue8202_dash_c_file_ignored(self):
         # Make sure a "-c" file in the current directory
         # does not alter the value of sys.path[0]