Remove code examples for Python 3.8 in `additional-responses`

docs/en/docs/advanced/additional-responses.md

@@ -26,7 +26,7 @@ Each of those response `dict`s can have a key `model`, containing a Pydantic mod
 
 For example, to declare another response with a status code `404` and a Pydantic model `Message`, you can write:
 
-{* ../../docs_src/additional_responses/tutorial001.py hl[18,22] *}
+{* ../../docs_src/additional_responses/tutorial001_py39.py hl[18,22] *}
 
 /// note
 
@@ -203,7 +203,7 @@ For example, you can declare a response with a status code `404` that uses a Pyd
 
 And a response with a status code `200` that uses your `response_model`, but includes a custom `example`:
 
-{* ../../docs_src/additional_responses/tutorial003.py hl[20:31] *}
+{* ../../docs_src/additional_responses/tutorial003_py39.py hl[20:31] *}
 
 It will all be combined and included in your OpenAPI, and shown in the API docs:
 

tests/test_tutorial/test_additional_responses/test_tutorial001.py

@@ -1,6 +1,6 @@
 from fastapi.testclient import TestClient
 
-from docs_src.additional_responses.tutorial001 import app
+from docs_src.additional_responses.tutorial001_py39 import app
 
 client = TestClient(app)
 

tests/test_tutorial/test_additional_responses/test_tutorial002.py

@@ -12,7 +12,7 @@ from tests.utils import needs_py310
 @pytest.fixture(
     name="client",
     params=[
-        pytest.param("tutorial002"),
+        pytest.param("tutorial002_py39"),
         pytest.param("tutorial002_py310", marks=needs_py310),
     ],
 )

tests/test_tutorial/test_additional_responses/test_tutorial003.py

@@ -1,6 +1,6 @@
 from fastapi.testclient import TestClient
 
-from docs_src.additional_responses.tutorial003 import app
+from docs_src.additional_responses.tutorial003_py39 import app
 
 client = TestClient(app)
 

tests/test_tutorial/test_additional_responses/test_tutorial004.py

@@ -12,7 +12,7 @@ from tests.utils import needs_py310
 @pytest.fixture(
     name="client",
     params=[
-        pytest.param("tutorial004"),
+        pytest.param("tutorial004_py39"),
         pytest.param("tutorial004_py310", marks=needs_py310),
     ],
 )