From dbad132fb1dbb06090850c182c29882122f0b132 Mon Sep 17 00:00:00 2001
From: yalef <vladislav.romaschenko@saritasa.com>
Date: Wed, 24 May 2023 21:56:34 +0500
Subject: [PATCH] Add exception handling for model field checking

---
 flake8_django/checkers/model_content_order.py |  3 ++-
 tests/fixtures/model_content_order.py         | 24 +++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/flake8_django/checkers/model_content_order.py b/flake8_django/checkers/model_content_order.py
index 52acbca..0927541 100644
--- a/flake8_django/checkers/model_content_order.py
+++ b/flake8_django/checkers/model_content_order.py
@@ -1,4 +1,5 @@
 import astroid
+from astroid.exceptions import InferenceError
 from functools import partial
 
 from .base_model_checker import BaseModelChecker
@@ -33,7 +34,7 @@ def is_field_declaration(node):
             ):
                 return True
         return False
-    except AttributeError:
+    except (AttributeError, InferenceError):
         return False
 
 
diff --git a/tests/fixtures/model_content_order.py b/tests/fixtures/model_content_order.py
index eeb28aa..25e3b65 100644
--- a/tests/fixtures/model_content_order.py
+++ b/tests/fixtures/model_content_order.py
@@ -102,3 +102,27 @@ def my_method(self):
     @property
     def random_property(self):
         return '%s' % self
+
+
+class CustomManager(models.Manager):
+    def manager_only_method(self):
+        return
+
+
+class CustomQuerySet(models.QuerySet):
+    def manager_and_queryset_method(self):
+        return
+
+
+class ModelWithCustomManager(models.Model):
+    """
+    Model with custom manager which can't be inferred correctly.
+    """
+    first_name = models.CharField(max_length=32)
+    objects = CustomManager.from_queryset(CustomQuerySet)()
+    class Meta:
+        verbose_name = 'test'
+        verbose_name_plural = 'tests'
+
+    def __str__(self):
+        return 'Perfectly fine!'