rag_with_eval.py has a lots old content and cannot run correctly #443
Description
Bug description
rag_with_eval.py has a lots old content and cannot run correctly, some "import" and "init" is old. I think it is easy to reproduce if you just run it
What version are you seeing the problem on?
main branchHow to reproduce the bug
some "import" and "init" is old. I think it is easy to reproduce if you just run itError messages and logs
# Error messages and logs here please
```Error building index: list index out of range, resetting the index
Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "AdalFlow\use_cases\rag\rag_with_eval.py", line 86, in <module>
rag.prepare_retriever(filter_func=lambda x: x.parent_doc_id in doc_ids)
File "AdalFlow\use_cases\rag\build\rag.py", line 167, in prepare_retriever
self.retriever.build_index_from_documents(
File "Python\Python311\Lib\site-packages\adalflow\components\retriever\faiss_retriever.py", line 195, in build_index_from_documents
raise e
File "Python\Python311\Lib\site-packages\adalflow\components\retriever\faiss_retriever.py", line 172, in build_index_from_documents
documents[0], Sequence
~~~~~~~~~^^^
IndexError: list index out of range
### Environment
Windows,
### More info
_No response_