[BUG] ToolAgent example

[evelynmitchell]

This is likely fixable by modifying the swarms init.py

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ModuleNotFoundError                       Traceback (most recent call last)
[<ipython-input-9-715acb48d350>](https://localhost:8080/#) in <cell line: 5>()
      3 
      4 from swarms import ToolAgent
----> 5 from swarms.utils.json_utils import base_model_to_json
      6 
      7 # Load the pre-trained model and tokenizer

ModuleNotFoundError: No module named 'swarms.utils.json_utils'

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[Occupying-Mars]

the example in the readme is wrong for where you are trying to use it. this pr should fix it and the actual import is from swarms.tools.json_utils import base_model_to_json

[evelynmitchell]

The merged PR 655 fixed this. Closing