[New-bugs-announce] [issue46487] `_SSLProtocolTransport` doen't have the `get_write_buffer_limits` implementation.

[Nova]

New submission from Nova <importz750 at gmail.com>:

When calling `get_write_buffer_limits` on a SSL transport the following exception is raised:

```py
Traceback (most recent call last):
  File "/home/mooncell/works/test.py", line 26, in <module>
    asyncio.run(main())
  File "/usr/lib/python3.10/asyncio/runners.py", line 44, in run
    return loop.run_until_complete(main)
  File "/usr/lib/python3.10/asyncio/base_events.py", line 641, in run_until_complete
    return future.result()
  File "/home/mooncell/works/test.py", line 24, in main
    print(transport.get_write_buffer_limits())
  File "/usr/lib/python3.10/asyncio/transports.py", line 306, in get_write_buffer_limits
    return (self._low_water, self._high_water)
AttributeError: '_SSLProtocolTransport' object has no attribute '_low_water'. Did you mean: '_high_water'?
```

We looked into the implementation and found out that `_SSLProtocolTransport` didn't override the `_FlowControlMixin.get_write_buffer_limits`.

----------
components: asyncio
messages: 411382
nosy: asvetlov, mooncell07, yselivanov
priority: normal
severity: normal
status: open
title: `_SSLProtocolTransport` doen't have the `get_write_buffer_limits` implementation.
type: enhancement
versions: Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46487>
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