diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index 73f94808b659b59a2d8de725cdfcc37d482410e6..ebf88fad54bb81f7275b6925c4dfe2fd0253627b 100644
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -1921,10 +1921,7 @@ Customizing file parsing
    as an argument::
 
     def convert_arg_line_to_args(self, arg_line):
-        for arg in arg_line.split():
-            if not arg.strip():
-                continue
-            yield arg
+        return arg_line.split()
 
 
 Exiting methods