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docs: quickstart retrieval chain for Cohere(API) (#20475)

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Description: fixes LangChainDeprecationWarning: The class
`langchain_community.embeddings.cohere.CohereEmbeddings` was deprecated
in langchain-community 0.0.30 and will be removed in 0.2.0. An updated
version of the class exists in the langchain-cohere package and should
be used instead. To use it run `pip install -U langchain-cohere` and
import as `from langchain_cohere import CohereEmbeddings`.

![Screenshot 2024-04-15
200948](https://github.com/langchain-ai/langchain/assets/93511919/085b967d-a6fd-42c6-9404-faab8c5630ec)



Dependencies : langchain_cohere

Twitter handle: @Mo_Noumaan
This commit is contained in:
Mohammed Noumaan Ahamed 2024-04-15 20:58:39 +05:30 committed by GitHub
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commit 4dd05791a2
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docs/docs/get_started/quickstart.mdx
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@ -293,7 +293,7 @@ embeddings = OllamaEmbeddings()
Make sure you have the `cohere` package installed and the appropriate environment variables set (these are the same as needed for the LLM).
```python
from langchain_community.embeddings import CohereEmbeddings
from langchain_cohere.embeddings import CohereEmbeddings
embeddings = CohereEmbeddings()
```