Agentic AI Graded assignment Getting error "Research_agent: One or more tools is not callable."

Deep Learning AI : Course Agentic AI Module 5

I am running the graded assignment for Research agent exercise and getting the below error. Any help appreciated. Thanks

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šŸ” Research Agent
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Failed test case: research_agent raised ValueError (return_messages=False): One or more tools is not callable.
Expected: no exception
Got: One or more tools is not callable

{mentor edit: code image removed}

remove ā€œ quotes around tools

Thank you! That worked! Appreciate the help.

I have removed the code image from the thread. Sharing your code is not allowed by the Code of Conduct.