python Decorator with arguments

decorator.py

#https://pybit.es/decorator-optional-argument.html
from functools import wraps
import time

def sleep(seconds=None):
    def real_decorator(func):
        @wraps(func)
        def wrapper(*args, **kwargs):
            print('Sleeping for {} seconds'.format(seconds))
            time.sleep(seconds if seconds else 1)
            return func(*args, **kwargs)
        return wrapper
    return real_decorator