# ❌ ``test_typeddict`` below fails, as written, with error `TypeError: TypedDict does not support instance and class checks`.

#

# For some reason, it passes if either:

# - ✅ ``typing.TypedDict`` is used (instead of ``typing_extensions.TypedDict``)

# - ✅ ``typeguard_ignore`` is imported directly: `from typeguard import typeguard_ignore`

from typing import Any

import attrs

from typing_extensions import TypedDict

# from typing import TypedDict # ✅ uncommenting this fixes ``test_typeddict`` below

import typeguard

# ✅ uncommenting this also fixes ``test_typeddict`` below (even though it's not used!)

# from typeguard import typeguard_ignore

typeguard_ignore = typeguard.typeguard_ignore

class Spec(TypedDict):

num: int

@typeguard_ignore

def converter(arg: dict[str, Spec]) -> dict[str, Any]:

return {}

@attrs.define()

class Class:

field: dict[str, Any] = attrs.field(factory=dict, converter=converter)

# ❌ As written, this fails with `TypeError: TypedDict does not support instance and class checks`

# Uncommenting either of the "✅" lines above makes it work though 😵‍💫

def test_typeddict():

Class(field={'aaa': { 'num': 111 }})