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

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Python

from __future__ import annotations
from pydantic import BaseModel
class Foo(BaseModel):
a: int = 123
#: The sibling of `Foo` is referenced directly by type
sibling: Foo = None
Foo.update_forward_refs()
print(Foo())
print(Foo(sibling={'a': '321'}))