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69d9212817
## Summary
This PR ensures that if a variable is bound via `global`, and then the
`global` is read, the originating variable is also marked as read. It's
not perfect, in that it won't detect _rebindings_, like:
```python
from app import redis_connection
def func():
global redis_connection
redis_connection = 1
redis_connection()
```
So, above, `redis_connection` is still marked as unused.
But it does avoid flagging `redis_connection` as unused in:
```python
from app import redis_connection
def func():
global redis_connection
redis_connection()
```
Closes https://github.com/astral-sh/ruff/issues/11518.
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| .. | ||
| analyze | ||
| model | ||
| binding.rs | ||
| branches.rs | ||
| context.rs | ||
| definition.rs | ||
| globals.rs | ||
| lib.rs | ||
| model.rs | ||
| nodes.rs | ||
| reference.rs | ||
| scope.rs | ||
| star_import.rs | ||