diff --git a/database.py b/database.py
index c1c0a48..e4906fc 100644
--- a/database.py
+++ b/database.py
@@ -12,69 +12,86 @@ cursor = connection.cursor()
 
 password_context = CryptContext(schemes=["sha256_crypt"], deprecated="auto")
 
+
 def init() -> None:
     # create users table
-     cursor.execute('''
+    cursor.execute('''
             CREATE TABLE IF NOT EXISTS users (
                 id INTEGER PRIMARY KEY,
                 name TEXT NOT NULL UNIQUE,
                 password TEXT NOT NULL
             )
         ''')
-     
+
+
 def close() -> None:
-     connection.close()
-     
+    connection.close()
+
 
 def register(user: User) -> None:
-     password = password_context.hash(user.password)
-     cursor.execute("INSERT INTO users (name, password) VALUES (?, ?)", (user.name, password))
-     connection.commit()
+    password = password_context.hash(user.password)
+    cursor.execute(
+        "INSERT INTO users (name, password) VALUES (?, ?)",
+        (user.name,
+         password))
+    connection.commit()
+
 
 def get_user_by_token(request: Request) -> User:
     token = request.headers.get("Authorization")
     if not token or not token.startswith("Bearer "):
-            raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
-                detail="Not authenticated"
-            )
-    token = token.split(" ")[1]   
-    payload = jwt.decode(token, key=settings.jwt_secret, algorithms=[settings.jwt_algorithm])
-    
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Not authenticated"
+        )
+    token = token.split(" ")[1]
+    payload = jwt.decode(
+        token,
+        key=settings.jwt_secret,
+        algorithms=[
+            settings.jwt_algorithm])
+
     connection = sqlite3.connect('database.db')
     connection.row_factory = sqlite3.Row
     cursor = connection.cursor()
-    cursor.execute("SELECT id, name, password FROM users WHERE id = ?", (payload["id"],))
+    cursor.execute(
+        "SELECT id, name, password FROM users WHERE id = ?", (payload["id"],))
     row = cursor.fetchone()
     connection.close()
 
     if not row:
-         raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
-                detail="Not authenticated"
-            )
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Not authenticated"
+        )
 
     return User(**row)
 
+
 def login(user: User) -> str:
-     cursor.execute("SELECT id, name, password FROM users WHERE name = ?", (user.name,))
-     row = cursor.fetchone()
-     
-     if not row:
-          raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
-                detail="Invalid credentials"
-            )
-     if not password_context.verify(user.password, row["password"]):
-          raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
-                detail="Invalid credentials"
-            )
-     
-     exp = datetime.datetime.now(datetime.timezone.utc) + datetime.timedelta(hours=1)
-     payload = {
-          "id": row["id"],
-          "exp": exp
-     }
-     
-     return jwt.encode(payload=payload, key=settings.jwt_secret, algorithm=settings.jwt_algorithm)
+    cursor.execute(
+        "SELECT id, name, password FROM users WHERE name = ?", (user.name,))
+    row = cursor.fetchone()
+
+    if not row:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid credentials"
+        )
+    if not password_context.verify(user.password, row["password"]):
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid credentials"
+        )
+
+    exp = datetime.datetime.now(
+        datetime.timezone.utc) + datetime.timedelta(hours=1)
+    payload = {
+        "id": row["id"],
+        "exp": exp
+    }
+
+    return jwt.encode(
+        payload=payload,
+        key=settings.jwt_secret,
+        algorithm=settings.jwt_algorithm)
diff --git a/format.sh b/format.sh
new file mode 100755
index 0000000..7f2ab18
--- /dev/null
+++ b/format.sh
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+which autopep8 &> /dev/null || { echo "autopep8 not found, please install it."; exit 1; }
+
+autopep8 --in-place --aggressive --aggressive --recursive --exclude .venv,.git,__pycache__ .
+
+echo "Code formatted with autopep8."
diff --git a/main.py b/main.py
index 3651f04..83828cc 100644
--- a/main.py
+++ b/main.py
@@ -3,6 +3,7 @@ from contextlib import asynccontextmanager
 import database
 import models
 
+
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     database.init()
@@ -12,19 +13,17 @@ async def lifespan(app: FastAPI):
 app = FastAPI(lifespan=lifespan)
 
 
-@app.get("/")
-async def root():
-    return {"message": "Hello World"}
-
 @app.get("/me")
 async def me(user: models.User = Depends(database.get_user_by_token)):
     return user
 
+
 @app.post("/users")
 async def register(user: models.User):
     database.register(user)
     return user
 
+
 @app.post("/login")
 async def login(user: models.User):
-    return database.login(user)
\ No newline at end of file
+    return database.login(user)
diff --git a/models.py b/models.py
index 8f458c7..bc275ee 100644
--- a/models.py
+++ b/models.py
@@ -1,5 +1,6 @@
 from pydantic import BaseModel
 
+
 class User(BaseModel):
     name: str
     password: str
diff --git a/requirements.txt b/requirements.txt
index e1a0537..c18d1da 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ fastapi[standard]==0.121.2
 passlib==1.7.4
 pyjwt==2.10.1
 pydantic-settings==2.12.0
+autopep8==2.3.2
diff --git a/settings.py b/settings.py
index b5b957f..6cb5f5a 100644
--- a/settings.py
+++ b/settings.py
@@ -1,9 +1,12 @@
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
+
 class Settings(BaseSettings):
-    model_config = SettingsConfigDict(env_file='.env', env_file_encoding='utf-8')
+    model_config = SettingsConfigDict(
+        env_file='.env', env_file_encoding='utf-8')
 
     jwt_secret: str
     jwt_algorithm: str
 
+
 settings = Settings()