From 916a46dcf9e83e976933e9647a8911f6f1a3bb87 Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Wed, 18 Oct 2023 14:10:13 -0400
Subject: [PATCH] MNT: more codeql warnings addressed

---
 mpl_gui/__init__.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mpl_gui/__init__.py b/mpl_gui/__init__.py
index d36a205..278f505 100644
--- a/mpl_gui/__init__.py
+++ b/mpl_gui/__init__.py
@@ -250,7 +250,7 @@ def show_all(self, *, block=None, timeout=None):
         if timeout is None:
             timeout = self._timeout
         self._ensure_all_figures_promoted()
-        display(*self.figures, block=self._block, timeout=self._timeout)
+        display(*self.figures, block=self._block, timeout=timeout)
 
     # alias to easy pyplot compatibility
     show = show_all
@@ -327,6 +327,7 @@ def close(self, val):
             _FigureCanvasBase(figure=fig)
         assert fig.canvas.manager is None
         self._fig_to_number.pop(fig, None)
+        return
 
 
 class FigureContext(FigureRegistry):