Merge pull request matplotlib#17509 from Contextualist/patch-1

Fix `swap_if_landscape` call in backend_ps

Author: jklymak

lib/matplotlib/backends/backend_ps.py

@@ -860,7 +860,7 @@ def _print_figure(
             # distillers improperly clip eps files if pagesize is too small
             if width > paper_width or height > paper_height:
                 papertype = _get_papertype(
-                    *orientation.swap_if_landscape(width, height))
+                    *orientation.swap_if_landscape((width, height)))
                 paper_width, paper_height = orientation.swap_if_landscape(
                     papersize[papertype])