MNT: Set expected CLI output based on Python version

Author: effigies

nipype/utils/tests/test_cmd.py

@@ -45,17 +45,21 @@ def test_main_returns_0_on_help(self):
         assert exit_exception.code == 0
 
         assert stderr.getvalue() == ""
+        if sys.version_info >= (3, 10):
+            options = "options"
+        else:
+            options = "optional arguments"
         assert (
             stdout.getvalue()
-            == """usage: nipype_cmd [-h] module interface
+            == f"""usage: nipype_cmd [-h] module interface
 
 Nipype interface runner
 
 positional arguments:
   module      Module name
   interface   Interface name
 
-optional arguments:
+{options}:
   -h, --help  show this help message and exit
 """
         )