Made type hint for descriptive_headers in _add_argument_wrapper() consistent with

its type hint in _action_get_descriptive_headers() and _action_set_descriptive_headers().

Author: kmvanbrunt

cmd2/argparse_completer.py

@@ -39,7 +39,7 @@
 from .styles import Cmd2Style
 
 # If no descriptive headers are supplied, then this will be used instead
-DEFAULT_DESCRIPTIVE_HEADERS: Sequence[str | Column] = ('Description',)
+DEFAULT_DESCRIPTIVE_HEADERS: Sequence[str | Column] = ['Description']
 
 # Name of the choice/completer function argument that, if present, will be passed a dictionary of
 # command line tokens up through the token being completed mapped to their argparse destination name.

cmd2/argparse_custom.py

@@ -804,7 +804,7 @@ def _add_argument_wrapper(
     choices_provider: ChoicesProviderFunc | None = None,
     completer: CompleterFunc | None = None,
     suppress_tab_hint: bool = False,
-    descriptive_headers: list[Column | str] | None = None,
+    descriptive_headers: Sequence[str | Column] | None = None,
     **kwargs: Any,
 ) -> argparse.Action:
     """Wrap ActionsContainer.add_argument() which supports more settings used by cmd2.