[issue43746] Weird typing annotation closure behavior

[conchylicultor]

conchylicultor <etiennefg.pot at gmail.com> added the comment:

Interestingly mypy, pylint correctly resolve the closure.

```
class A:
    dataclasses: dataclasses.Field = dataclasses.field()

A.dataclasses.other  # mypy error: "Field[Any]" has no attribute "other"
```

So the current workaround is to use quotes:

```
class A:
  # Type correctly inferred and no closure runtime error
  losses: 'losses.Losses' = losses.Losses()
```

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43746>
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