Fix formatting with black

backend/app/routers/address.py

@@ -7,23 +7,25 @@ from app.dependencies import get_db
 
 router = APIRouter()
 
+
 @router.get("/", response_model=List[AddressSchema])
 async def get_return_addresses(db: Session = Depends(get_db)):
     return db.query(AddressModel).all()
 
+
 @router.post("/", response_model=AddressSchema, status_code=status.HTTP_201_CREATED)
 async def create_return_address(address: AddressCreate, db: Session = Depends(get_db)):
     if db.query(AddressModel).filter(AddressModel.city == address.city).first():
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail="Address in this city already exists."
+            detail="Address in this city already exists.",
         )
 
     db_address = AddressModel(
         street=address.street,
         city=address.city,
         zipcode=address.zipcode,
-        country=address.country
+        country=address.country,
     )
 
     db.add(db_address)
@@ -31,13 +33,15 @@ async def create_return_address(address: AddressCreate, db: Session = Depends(ge
     db.refresh(db_address)
     return db_address
 
+
 @router.put("/{address_id}", response_model=AddressSchema)
-async def update_return_address(address_id: int, address: AddressUpdate, db: Session = Depends(get_db)):
+async def update_return_address(
+    address_id: int, address: AddressUpdate, db: Session = Depends(get_db)
+):
     db_address = db.query(AddressModel).filter(AddressModel.id == address_id).first()
     if not db_address:
         raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="Address not found."
+            status_code=status.HTTP_404_NOT_FOUND, detail="Address not found."
         )
     for key, value in address.dict(exclude_unset=True).items():
         setattr(db_address, key, value)
@@ -45,14 +49,14 @@ async def update_return_address(address_id: int, address: AddressUpdate, db: Ses
     db.refresh(db_address)
     return db_address
 
+
 @router.delete("/{address_id}", status_code=status.HTTP_204_NO_CONTENT)
 async def delete_return_address(address_id: int, db: Session = Depends(get_db)):
     db_address = db.query(AddressModel).filter(AddressModel.id == address_id).first()
     if not db_address:
         raise HTTPException(
-            status_code=status.HTTP_404_NOT_FOUND,
-            detail="Address not found."
+            status_code=status.HTTP_404_NOT_FOUND, detail="Address not found."
         )
     db.delete(db_address)
     db.commit()
-    return
+    return