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## Summary
I am unable to get LangServe to work nicely with a Pydantic V2 model.
## Background
I understand that LangChain and LangServe are undergoing an upgrade from Pydantic V1 to V2. I wa…
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**Describe the bug**
Due to changes in how serialization of subclasses is handled in pydantic v2, generated models do not produce correct output when using model_dump or model_dump_json.
See iss…
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### Describe the bug
Any usage of the `.dict() `method on Pydantic models will output the following VERY annoying message:
```
PydanticDeprecatedSince20: The `dict` method is deprecated; use `model…
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```
backend-1 | /usr/local/lib/python3.11/site-packages/pydantic/_internal/_config.py:341: UserWarning: Valid config keys have changed in V2:
backend-1 | * 'orm_mode' has been renamed to 'fr…
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The `Route` object still uses pydantic V1. Are there plans to migrate to V2?
Out of curiosity, is there a reason why `Route` was based on pydantic V1 and not pydantic V2?
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We are currently blocked on upgrading our app to `pydantic==2.6.0` because `interval-sdk` requires `pydantic
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### Initial Checks
- [X] I confirm that I'm using Pydantic V2
### Description
Either at runtime or for static type-checking, both `A` and `A()` are callables, but currently they cannot be wra…
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When using crewAI, I'm encountering deprecation warnings related to Pydantic V1 usage. These warnings suggest that the library is using some deprecated Pydantic V1 features that will be removed in Pyd…
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Copying here an issue posted originally on Rocketry, just for the integrity and the tracking - since the problem stems from red-bird.
https://github.com/Miksus/rocketry/issues/210
Is your feature …
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Since LangChain 0.3 and within LangGraph Studio container, have the following error :
`ValidationError: 1 validation error for Document metadata Input should be a valid dictionary [type=dict_type, i…