lm-sys / lm-sys/FastChat

`tiiuae/falcon-7b-instruct` is acting weird

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Python
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Description

Hi guys, I'm trying to use `falcon-7b-instruct` (using the main branch with the latest changes), however I'm experiencing some weird behavior when interacting with it via the CLI command:
```bash
python -m fastchat.serve.cli --model-path tiiuae/falcon-7b-instruct
```

I tried to start the conversation with a simple "Hello there!", however there seems to be a pre-determined conversation behind the scenes, and it's feeding itself:
![image](https://github.com/lm-sys/FastChat/assets/74605177/02622b38-dd70-4aeb-a526-1c16a2204ccc)

Do you know what might be the issue?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the behavior with `python -m fastchat.serve.cli --model-path tiiuae/falcon-7b-instruct` using the main branch. Start by tracing the CLI's conversation handling for this model and determine why prior content is fed back into the conversation; done means a new session starts with only the user's input and produces normal responses.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
cli, machine-learning
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
28/100

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