Mark test as requiring pydantic v2

Author: nkrishnaswami

tests/test_attribute_keyed_dict.py

@@ -7,6 +7,8 @@
 from sqlalchemy.orm.collections import attribute_keyed_dict
 from sqlmodel import Field, Relationship, Session, SQLModel, create_engine
 
+from tests.conftest import needs_pydanticv2
+
 
 def test_attribute_keyed_dict_works(clear_sqlmodel):
     class Color(str, Enum):
@@ -48,9 +50,11 @@ class Parent(SQLModel, table=True):
         assert parent.children_by_color[Color.Blue].value == 2
 
 
-# typing.Dict throws if it receives the wrong number of type arguments, but
-# dict (3.10+) does not.
+# typing.Dict throws if it receives the wrong number of type arguments, but dict
+# (3.10+) does not; and Pydantic v1 fails to process models with dicts with no
+# type arguments.
 @pytest.mark.skipif(sys.version_info < (3, 10), reason="dict is not subscriptable")
+@needs_pydanticv2
 def test_dict_relationship_throws_on_missing_annotation_arg(clear_sqlmodel):
     class Color(str, Enum):
         Orange = "Orange"