{user_generator}

[Prior reflection]
{reflection}

[Code]
{func_signature1}
{elitist_code}

[Improved code]
Please write a mutated function `{func_name}`, according to the reflection,and always include `from torch.distributions import Categorical` when using the Categorical distribution for sampling. This is critical - failure to include this import will cause runtime errors. Output code only and enclose your code with Python code block: ```python ... ```.