From 9879b748576cbbc705460f64d1098dd455bceb13 Mon Sep 17 00:00:00 2001
From: Chris Robertson <christianrobertson296@gmail.com>
Date: Mon, 20 Mar 2023 18:37:49 +0100
Subject: [PATCH] Use `callable()` builtin function over `isinstance(...,
 Callable)`

This is slightly more compact, but the main motivation is to work
around the following mypy bug:

https://github.com/python/mypy/issues/3060
---
 model_utils/fields.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/model_utils/fields.py b/model_utils/fields.py
index 216ec85..10e22fa 100644
--- a/model_utils/fields.py
+++ b/model_utils/fields.py
@@ -1,7 +1,6 @@
 import secrets
 import uuid
 import warnings
-from collections.abc import Callable
 
 from django.conf import settings
 from django.core.exceptions import ValidationError
@@ -346,7 +345,7 @@ def __init__(self, editable=False, max_length=128, factory=None, **kwargs):
             non-callable value for factory is not supported.
         """
 
-        if factory is not None and not isinstance(factory, Callable):
+        if factory is not None and not callable(factory):
             raise TypeError("'factory' should either be a callable or 'None'")
         self._factory = factory