Files
pydantic/docs/examples/postponed_annotations_forward_ref.py
2020-05-31 14:54:12 +01:00

16 lines
214 B
Python

from typing import ForwardRef
from pydantic import BaseModel
Foo = ForwardRef('Foo')
class Foo(BaseModel):
a: int = 123
b: Foo = None
Foo.update_forward_refs()
print(Foo())
print(Foo(b={'a': '321'}))