ExtractiveReader breaks if run with no documents

[kurobanekid]

Describe the bug
ExtractiveReader breaks if run with no documents

Error message
File "/home/rootuser/miniconda3/envs/xxxx/lib/python3.10/site-packages/haystack/components/readers/extractive.py", line 630, in run
answers = self._nest_answers(
File "/home/rootuser/miniconda3/envs/xxxx/lib/python3.10/site-packages/haystack/components/readers/extractive.py", line 391, in _nest_answers
current_answers = self.deduplicate_by_overlap(current_answers, overlap_threshold=overlap_threshold)
File "/home/rootuser/miniconda3/envs/xxxx/lib/python3.10/site-packages/haystack/components/readers/extractive.py", line 515, in deduplicate_by_overlap
deduplicated_answers = [answers[0]]

System:

• OS: Linux
• GPU: A100
• Haystack version: v2.2.2

[anakin87]

Hey!

This seems like a duplicate of #7731 (fixed in #7732).

I am not able to reproduce it with the following code (haystack-ai==2.2.2):

from haystack.components.readers import ExtractiveReader


reader = ExtractiveReader()
reader.warm_up()
res=reader.run(query="hello", documents=[])

Can you try updating Haystack?
In case you still encounter a the error, please attach a reproducible example.