diff --git a/docs_src/security/tutorial005_an_py310.py b/docs_src/security/tutorial005_an_py310.py
index 0195e89ac0..87ce3b6347 100644
--- a/docs_src/security/tutorial005_an_py310.py
+++ b/docs_src/security/tutorial005_an_py310.py
@@ -15,7 +15,9 @@ from pydantic import BaseModel, ValidationError
 
 # to get a string like this run:
 # openssl rand -hex 32
-SECRET_KEY = os.environ.get("SECRET_KEY", "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7")
+SECRET_KEY = os.environ.get(
+    "SECRET_KEY", "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
+)
 ALGORITHM = "HS256"
 ACCESS_TOKEN_EXPIRE_MINUTES = 30
 
diff --git a/docs_src/security/tutorial005_py310.py b/docs_src/security/tutorial005_py310.py
index decd4db945..b892941ff4 100644
--- a/docs_src/security/tutorial005_py310.py
+++ b/docs_src/security/tutorial005_py310.py
@@ -14,7 +14,9 @@ from pydantic import BaseModel, ValidationError
 
 # to get a string like this run:
 # openssl rand -hex 32
-SECRET_KEY = os.environ.get("SECRET_KEY", "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7")
+SECRET_KEY = os.environ.get(
+    "SECRET_KEY", "09d25e094faa6ca2556c818166b7a9563b93f7099f6f0f4caa6cf63b88e8d3e7"
+)
 ALGORITHM = "HS256"
 ACCESS_TOKEN_EXPIRE_MINUTES = 30