Looks like asst_BananaBananaPlaceholder is not a valid assistant id. You need to first create an assistant via the API or through the UI here https://platform.openai.com/assistants
One issue I ran into earlier was that I had to include my organization ID as well as my API key when I initialized my client. You might want to try doing the same and see if that helps.
"It appears that the issue persists, preventing me from calculating the average of QA Approved Cycle Times currently. Unfortunately, due to these technical difficulties, I’m unable to fulfill your request at this moment.
If there’s any other way I can assist you or any other question you have in mind, please feel free to share. I’m here to help with what I can."