Modulenotfounderror no module named pydantic v1.

Modulenotfounderror no module named pydantic v1 v1 namespace of Pydantic 2 with LangChain APIs. Aug 16, 2023 · from pydantic_v1 import BaseModel, root_validator ModuleNotFoundError: No module named 'pydantic_v1' I'm not sure if this is a me issue, but I've tried the common sense methods of checking. Pydantic has a few dependencies: pydantic-core: Core validation logic for Pydantic written in Rust. Last week mypy (with plugins = ["pydantic. The issue was solved. 解决方法：安装pydantic库：在命令行中输入“pip install pydantic”。检查您的PYTHONPATH环境变量：如果您安装了pydantic，但仍然无法导入它，请检查您的PYTHONPATH环境变量是否正确设置。 Jul 13, 2023 · Initial Checks I confirm that I'm using Pydantic V2 installed directly from the main branch, or equivalent Description I have pydantic 2. v1 import BaseModel 重新安装pydantic：如果问题依然存在，尝试卸载当前的pydantic，然后重新安装最新版本： Jan 9, 2024 · pydantic_core. x of 'pydantic'. Apr 26, 2025 · Compatibility with Pydantic v1. output_parsers. nxitrh lrlg ghg fjnpg bfs ulaoawu sqpdy ezttygcg xqgwir dflf apnh naqy qcnzw hrvn rcuw