Fix(Sale): permitiendo ventas sin descripcion.

tienda_ilusion/don_confiao/tests.py

@@ -61,3 +61,13 @@ class ConfiaoTest(TestCase):
             Sale.objects.all()[0].saleline_set.all()[0].quantity,
             2
         )
+
+    def test_allow_sale_without_description(self):
+        sale = Sale()
+        sale.customer = "Alejandro"
+        sale.date = "2024-06-22"
+        sale.phone = '666666666'
+        sale.description = None
+        sale.save()
+
+        self.assertEqual(len(Sale.objects.all()), 1)