From 1efc3112c5a9b8e68e92f0f4483c1f30f4d43cf9 Mon Sep 17 00:00:00 2001
From: rht <rhtbot@protonmail.com>
Date: Sun, 4 Feb 2024 02:56:55 -0500
Subject: [PATCH] fix: Initialize model _steps and _time during __new__

This is to retain backward compatibility with Mesa 2.1.x behavior where
a model `super().__init__()` is not necessary.
---
 mesa/model.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mesa/model.py b/mesa/model.py
index b2b12340ad9..785ffe0c5a6 100644
--- a/mesa/model.py
+++ b/mesa/model.py
@@ -57,6 +57,9 @@ def __new__(cls, *args: Any, **kwargs: Any) -> Any:
             # advance.
             obj._seed = random.random()  # noqa: S311
         obj.random = random.Random(obj._seed)
+        # TODO: Remove these 2 lines just before Mesa 3.0
+        obj._steps = 0
+        obj._time = 0
         return obj
 
     def __init__(self, *args: Any, **kwargs: Any) -> None: