Fuzzy citation bugfix

[vvi56]

Description

This PR fixes out of range error in fuzzy_citation pack that happens in case there are more than one response sentences.

Exception has occurred: IndexError
list index out of range

  File ".../python3.11/site-packages/llama_hub/llama_packs/fuzzy_citation/base.py", line 68, in get_relevant_sentences
    top_chunks[response_sent_idx][-1] += top_sentences[
        ~~~~~~~~~~~~~~~~~~~~~~~~~^^^^

Type of Change

Please delete options that are not relevant.

• Bug fix / Smaller change

How Has This Been Tested?

Tested with demo fuzzy_citation notebook.

• I stared at the code and made sure it makes sense

Suggested Checklist:

• I have performed a self-review of my own code
• My changes generate no new warnings

[vvi56]

@logan-markewich , please take a look