FastAPI - 解决运行 uvicorn 报错 ImportError: email-validator is not installed, run `pip install pydantic[email]`
背景
from pydantic import BaseModel, EmailStr class UserIn(BaseModel): username: str password: str email: EmailStr full_name: Optional[str] = None
定义的 Pydantic Model 某个字段声明为 EmailStr 类型
运行 uvicorn 服务器的时候报错
ImportError: email-validator is not installed, run `pip install pydantic[email]`
根因
缺少 email_validator 库
解决方法
pip install email_validator
注意
虽然它提示了解决方法,但很大可能会提示你
> pip install pydantic[email]
zsh: no matches found: pydantic[email]