Fixed messed up GitHub auto-commit from PR suggestion

Author: tleonhardt

cmd2/cmd2.py

@@ -180,10 +180,9 @@ def with_argument_list(func: Callable[[Statement], Optional[bool]],
     shlex.split().
 
     :param func: do_* method this decorator is wrapping
-    preserve_quotes: if True, then argument quotes will not be stripped
+    :param preserve_quotes: if True, then argument quotes will not be stripped
     :return: function that gets passed a list of argument strings
     """
-    """"""
     import functools
 
     @functools.wraps(func)