def post(self):
"""Add new item"""
args = product_parser.parse_args()
product = Product(product=args['product'])
if args['sku']:
if db.session.query(Product).filter(Product.sku == args['sku']):
product.sku = args['sku']
else:
abort(404, message=f'SKU already exists:{args["sku"]}')
db.session.add(product)
db.session.commit()
return product, 201
