Setting is_slippery=False in FrozenLake-v0

I want to make FrozenLake-v0 work as deterministic problem, so want to set variable is_slippery=False.
How can I set it to False while initialing the environment?
[Reference to code](https://github.com/openai/gym/blob/master/gym/envs/toy_text/frozen_lake.py#L60)