diff --git a/docs/en/docs/tutorial/middleware.md b/docs/en/docs/tutorial/middleware.md
index 1b7ec5805..64125dc74 100644
--- a/docs/en/docs/tutorial/middleware.md
+++ b/docs/en/docs/tutorial/middleware.md
@@ -67,7 +67,7 @@ Here we use <a href="https://docs.python.org/3/library/time.html#time.perf_count
 
 ### Class-Based Middleware
 
-It is possible to define a custom `http` middleware using classes. 
+It is possible to define a custom `http` middleware using classes.
 
 We will implement the class-based middleware with exactly the same functionality as in the example above.
 
@@ -75,7 +75,7 @@ We will use an abstract `BaseHTTPMiddleware` class from Starlette that allows to
 
 {* ../../docs_src/middleware/tutorial002.py hl[7:13,17] *}
 
-To create the middleware we need to override the `async dispatch` method of the `BaseHTTPMiddleware` class. 
+To create the middleware we need to override the `async dispatch` method of the `BaseHTTPMiddleware` class.
 
 The functionality of the method is very similar to the decorated middleware function from the previous example.
 
diff --git a/docs_src/middleware/tutorial002.py b/docs_src/middleware/tutorial002.py
index 8c0526cc1..324c6ef6e 100644
--- a/docs_src/middleware/tutorial002.py
+++ b/docs_src/middleware/tutorial002.py
@@ -19,4 +19,4 @@ app.add_middleware(ProcessTimeHeaderMiddleware)
 
 @app.get("/")
 def hello():
-    return {"hello": "world"}
\ No newline at end of file
+    return {"hello": "world"}
diff --git a/tests/test_tutorial/test_middleware/test_tutorial001.py b/tests/test_tutorial/test_middleware/test_tutorial001.py
index 8131f182c..ec7f7ac3d 100644
--- a/tests/test_tutorial/test_middleware/test_tutorial001.py
+++ b/tests/test_tutorial/test_middleware/test_tutorial001.py
@@ -1,6 +1,7 @@
-from docs_src.middleware.tutorial001 import app
 from fastapi.testclient import TestClient
 
+from docs_src.middleware.tutorial001 import app
+
 
 def test_add_process_time_header_middleware():
     client = TestClient(app)
@@ -9,4 +10,3 @@ def test_add_process_time_header_middleware():
     assert response.json() == {"hello": "world"}
     assert "X-Process-Time" in response.headers
     assert len(response.headers["X-Process-Time"]) > 0
-
diff --git a/tests/test_tutorial/test_middleware/test_tutorial002.py b/tests/test_tutorial/test_middleware/test_tutorial002.py
index 6d8b975f0..3eaa8049c 100644
--- a/tests/test_tutorial/test_middleware/test_tutorial002.py
+++ b/tests/test_tutorial/test_middleware/test_tutorial002.py
@@ -1,6 +1,7 @@
-from docs_src.middleware.tutorial002 import app
 from fastapi.testclient import TestClient
 
+from docs_src.middleware.tutorial002 import app
+
 
 def test_add_process_time_header_middleware():
     client = TestClient(app)