From 784f974c0dcb9b765a1b3551c88883c61c19f221 Mon Sep 17 00:00:00 2001
From: Lance Edgar <lance@edbob.org>
Date: Mon, 19 Aug 2024 12:42:14 -0500
Subject: [PATCH] fix: avoid error when checking model for column property

assocation proxy sometimes throws a wrench in that..
---
 src/wuttaweb/grids/base.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/wuttaweb/grids/base.py b/src/wuttaweb/grids/base.py
index 9a6b195..23033a5 100644
--- a/src/wuttaweb/grids/base.py
+++ b/src/wuttaweb/grids/base.py
@@ -578,7 +578,8 @@ class Grid:
                 if key in sorters:
                     continue
                 prop = getattr(self.model_class, key, None)
-                if prop and isinstance(prop.property, orm.ColumnProperty):
+                if (prop and hasattr(prop, 'property')
+                    and isinstance(prop.property, orm.ColumnProperty)):
                     sorters[prop.key] = self.make_sorter(prop)
 
         return sorters