Remove code examples for Python 3.8 in `configure_swagger_ui`

docs/en/docs/how-to/configure-swagger-ui.md

@@ -18,7 +18,7 @@ Without changing the settings, syntax highlighting is enabled by default:
 
 But you can disable it by setting `syntaxHighlight` to `False`:
 
-{* ../../docs_src/configure_swagger_ui/tutorial001.py hl[3] *}
+{* ../../docs_src/configure_swagger_ui/tutorial001_py39.py hl[3] *}
 
 ...and then Swagger UI won't show the syntax highlighting anymore:
 
@@ -28,7 +28,7 @@ But you can disable it by setting `syntaxHighlight` to `False`:
 
 The same way you could set the syntax highlighting theme with the key `"syntaxHighlight.theme"` (notice that it has a dot in the middle):
 
-{* ../../docs_src/configure_swagger_ui/tutorial002.py hl[3] *}
+{* ../../docs_src/configure_swagger_ui/tutorial002_py39.py hl[3] *}
 
 That configuration would change the syntax highlighting color theme:
 
@@ -46,7 +46,7 @@ You can override any of them by setting a different value in the argument `swagg
 
 For example, to disable `deepLinking` you could pass these settings to `swagger_ui_parameters`:
 
-{* ../../docs_src/configure_swagger_ui/tutorial003.py hl[3] *}
+{* ../../docs_src/configure_swagger_ui/tutorial003_py39.py hl[3] *}
 
 ## Other Swagger UI Parameters { #other-swagger-ui-parameters }
 

tests/test_tutorial/test_configure_swagger_ui/test_tutorial001.py

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

tests/test_tutorial/test_configure_swagger_ui/test_tutorial002.py

@@ -1,6 +1,6 @@
 from fastapi.testclient import TestClient
 
-from docs_src.configure_swagger_ui.tutorial002 import app
+from docs_src.configure_swagger_ui.tutorial002_py39 import app
 
 client = TestClient(app)
 

tests/test_tutorial/test_configure_swagger_ui/test_tutorial003.py

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