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---
 docs/en/docs/tutorial/query-params-str-validations.md         | 2 +-
 .../query_params_str_validations/tutorial006d_an_py310.py     | 4 +++-
 .../test_tutorial006d_an_py310.py                             | 2 ++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/docs/en/docs/tutorial/query-params-str-validations.md b/docs/en/docs/tutorial/query-params-str-validations.md
index 68e9a3d5f9..e24c248ac3 100644
--- a/docs/en/docs/tutorial/query-params-str-validations.md
+++ b/docs/en/docs/tutorial/query-params-str-validations.md
@@ -257,7 +257,7 @@ For example, you might try:
 q: Annotated[str | None, Query(min_length=3)] = ...
 ```
 
-But this will still expect a **string** value, and if the client omits `q` or tries to send `q=None`, FastAPI will raise a validation error.  
+But this will still expect a **string** value, and if the client omits `q` or tries to send `q=None`, FastAPI will raise a validation error.
 In other words, `None` is not an acceptable runtime value for query parameters — only strings are.
 
 If you want to accept special values (like `"None"` or an empty string) and interpret them as `None` in your application, you can handle them manually in your function:
diff --git a/docs_src/query_params_str_validations/tutorial006d_an_py310.py b/docs_src/query_params_str_validations/tutorial006d_an_py310.py
index 0962fbce7e..025d314ea2 100644
--- a/docs_src/query_params_str_validations/tutorial006d_an_py310.py
+++ b/docs_src/query_params_str_validations/tutorial006d_an_py310.py
@@ -1,8 +1,10 @@
-from fastapi import FastAPI, Query
 from typing import Annotated
 
+from fastapi import FastAPI, Query
+
 app = FastAPI()
 
+
 @app.get("/items/")
 async def read_items(q: Annotated[str | None, Query()] = ...):
     if q in ("None", "", "null"):
diff --git a/tests/test_tutorial/test_query_params_str_validations/test_tutorial006d_an_py310.py b/tests/test_tutorial/test_query_params_str_validations/test_tutorial006d_an_py310.py
index 57fccec947..36ae95f65c 100644
--- a/tests/test_tutorial/test_query_params_str_validations/test_tutorial006d_an_py310.py
+++ b/tests/test_tutorial/test_query_params_str_validations/test_tutorial006d_an_py310.py
@@ -1,8 +1,10 @@
 from fastapi.testclient import TestClient
+
 from docs_src.query_params_str_validations.tutorial006d_an_py310 import app
 
 client = TestClient(app)
 
+
 def test_read_items():
     response = client.get("/items/", params={"q": "None"})
     assert response.status_code == 200