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## Summary
The use of `|` as a union operator is not always safe, if a type
annotation is evaluated in a runtime context. For example, this code
errors at runtime:
```python
import httpretty
import requests_mock
item: type[requests_mock.Mocker | httpretty] = requests_mock.Mocker
```
However, it's fine in a `.pyi` file, with `__future__` annotations`, or
if the annotation is in a non-evaluated context, like:
```python
def func():
item: type[requests_mock.Mocker | httpretty] = requests_mock.Mocker
```
This PR modifies the rule to avoid enforcing in those invalid,
runtime-evaluated contexts.
Closes https://github.com/astral-sh/ruff/issues/6455.
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| .. | ||
| resources/test | ||
| src | ||
| Cargo.toml | ||