From 401778e7b7d4f629417a1b613ec36f4b21c1508e Mon Sep 17 00:00:00 2001
From: mimir-d <mimir-d@users.noreply.github.com>
Date: Fri, 25 Oct 2024 16:53:48 +0100
Subject: [PATCH] add callable type to demo decorator

- use collections.abc.Callable for `demo` typing

Signed-off-by: mimir-d <mimir-d@users.noreply.github.com>
---
 examples/__init__.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/examples/__init__.py b/examples/__init__.py
index b49f3dd..d1fbea4 100644
--- a/examples/__init__.py
+++ b/examples/__init__.py
@@ -1,8 +1,10 @@
+import collections.abc as abc
+
 DEMOS = {}
 
 
-def demo(func):
-    def w(banner=True):
+def demo(func) -> abc.Callable[[], None]:
+    def w(banner=True) -> None:
         if banner:
             print("-" * 80)
             print(func.__name__)