dry-python / dry-python/returns
Unit method like `IOResultE.from_value` must return `IOResult[_V, Exception]` type
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描述
Currently, they do return incorrect types:
```python
reveal_type(IOResultE.from_value(int))
# => IOResult[int, Any]
# Should be:
# => IOResult[int, Exception]
```
To achieve what we want we might tweak the way we create an alias in some way:
1. We can use inheritance instead of aliasing
2. We can use some magic
3. mypy plugin?
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