[Bug] The Agentic RAG does not work

[CodeTilde]

Description

The example at https://docs.agno.com/vectordb/chroma does not work

Steps to Reproduce

import typer
from rich.prompt import Prompt
from typing import Optional

from agno.agent import Agent
from agno.knowledge.pdf_url import PDFUrlKnowledgeBase
from agno.vectordb.chroma import ChromaDb

knowledge_base = PDFUrlKnowledgeBase(
urls=["https://agno-public.s3.amazonaws.com/recipes/ThaiRecipes.pdf"],
vector_db=ChromaDb(collection="recipes"),
)

knowledge_base.load(recreate=False)

def pdf_agent(user: str = "user"):
run_id: Optional[str] = None

agent = Agent(

    user_id=user,
    knowledge=knowledge_base,
    search_knowledge=True,
    #use_tools=True,
    show_tool_calls=True,
    debug_mode=True,
)
if run_id is None:
    run_id = agent.run_id
    print(f"Started Run: {run_id}\n")
else:
    print(f"Continuing Run: {run_id}\n")

while True:
    message = Prompt.ask(f"[bold] :sunglasses: {user} [/bold]")
    if message in ("exit", "bye"):
        break
    agent.print_response(message)

if name == "main":
typer.run(pdf_agent)

Agent Configuration (if applicable)

Expected Behavior

Actual Behavior

Screenshots or Logs (if applicable)

DEBUG **************** METRICS END ******************
DEBUG Getting function search_knowledge_base
DEBUG Running: search_knowledge_base(query=Sour Curry with Mixed Vegetables recipe)
DEBUG Getting 5 relevant documents for query: Sour Curry with Mixed Vegetables recipe
ERROR Error searching for documents: list indices must be integers or slices, not str
DEBUG Time to get references: 1.2389s
DEBUG ---------- OpenAI Response Start ----------
DEBUG ============== user ==============
DEBUG Recipe for Sour Curry with Mixed Vegetables?
DEBUG ============== assistant ==============
DEBUG Tool Calls: [
{
"id": "call_PiwA32TUkVMgh64F8MWrZFeN",
"function": {
"arguments": "{"query":"Sour Curry with Mixed Vegetables recipe"}",
"name": "search_knowledge_base"
},
"type": "function"
}
]
DEBUG ============== tool ==============
DEBUG Tool call Id: call_PiwA32TUkVMgh64F8MWrZFeN
DEBUG No documents found
DEBUG ============== assistant ==============
DEBUG I'm sorry, but I couldn't find a specific recipe for Sour Curry with Mixed Vegetables in the knowledge base. However, I can help
you create a basic version of this dish. Here's a simple recipe you can try:

Environment

-Ubuntu

Possible Solutions (optional)

Suggest any ideas you might have to fix or address the issue.

Additional Context

Add any other context or details about the problem here.
if search_knowledge=True, is removed (traditional RAG) the agent works properly.

[dirkbrnd]

Error searching for documents: list indices must be integers or slices, not str

Sorry this is a known problem with ChromaDB. We will address!