Remove redundand `needs_py39` in test

tests/test_tutorial/test_query_params_str_validations/test_tutorial006.py

@@ -3,7 +3,7 @@ import importlib
 import pytest
 from fastapi.testclient import TestClient
 
-from ...utils import needs_py39, needs_pydanticv2
+from ...utils import needs_pydanticv2
 
 skip_for_pydantic_v1 = needs_pydanticv2
 
@@ -12,7 +12,7 @@ skip_for_pydantic_v1 = needs_pydanticv2
     name="client",
     params=[
         pytest.param("tutorial006_py39"),
-        pytest.param("tutorial006_an_py39", marks=needs_py39),
+        pytest.param("tutorial006_an_py39"),
     ],
 )
 def get_client(request: pytest.FixtureRequest):