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When using the `PGVector` class with `async_mode=True`, the `metadata` field of the `Document` objects returned from query methods (e.g., `asimilarity_search_with_score_by_vector`) is not deserialized…
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### Which component is this feature for?
Langchain Instrumentation
### 🔖 Feature description
Hello 👋 The latest OTel [Gen AI semantic conventions](https://github.com/open-telemetry/semantic-…
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I'm using elasticsearch 8.15 and ElasticsearchStore which generates the following warnimg. Can you suggest how to mitigate this warning other than ignoring it. Is it ignorable?
```
venv/lib/pyt…
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ragas 0.2.3
langchain 0.2.16
langchain-chroma 0.1.4
langchain-community 0.2.16
langch…
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### Privileged issue
- [X] I am a LangChain maintainer, or was asked directly by a LangChain maintainer to create an issue here.
### Issue Content
See https://cloud.google.com/vertex-ai/generative-…
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### Checked other resources
- [X] I added a very descriptive title to this issue.
- [X] I searched the [LangGraph](https://langchain-ai.github.io/langgraph/)/LangChain documentation with the integrat…
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Hi! I am trying to generate a test set using the following code:
Ragas version: 0.2.3
Python version: 3.11.9
```
from ragas.llms import LangchainLLMWrapper
from ragas.embeddings import Lang…
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### Checked other resources
- [X] I added a very descriptive title to this issue.
- [X] I searched the LangChain documentation with the integrated search.
- [X] I used the GitHub search to find a…
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### Description
Love the project,
we need to add a langchain Document interface, which I am more than happy to do it but just a few questions:
- each node will become a document
- the content wi…
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### Checked other resources
- [X] I added a very descriptive title to this issue.
- [X] I searched the LangChain documentation with the integrated search.
- [X] I used the GitHub search to find a sim…