Toloka

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Features:
* Added `toloka.autoquality` - a tool for autogeneration of quality control rules
* Added `speed_quality_balance` attribute to `Pool`

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Fixes:
* Fix add new observers error.

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Fixes:
* Status code 409 is no longer retried by default.
* Status code 504 is now retried by default.
* Fixed bug when `AppItem.errors` have been structured incorrectly.
* Fixed the bug when an incorrect version of the `urllib3` was used.

Changes:
* `toloka.client.filters.Rating` was removed according to changes in Toloka API.
* All time data now have a UTC timezone by default (instead of a local timezone).

Streaming improvements:
* `toloka.streaming.Pipeline` now supports "gentle shutdown": the first SIGINT received will force the `Pipeline` to process all observers in the current iteration and then exit. On the second SIGINT received, the `Pipeline` will be interrupted (warning: this may lead to errors such as incorrect saved observers states).
* `toloka.streaming.Pipeline` now supports registering new observers during execution.
* Observers now support `delete`, `disable`, and `enable` methods: these methods change the target Observer state such that `toloka.streaming.Pipeline` handles it accordingly.

Other improvements:
* Added [MapView](https://toloka.ai/en/docs/toloka-kit/reference/toloka.client.project.template_builder.view.MapViewV1) Template Builder component.

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Python versions support:
* Python 3.10 support added
* Python 3.6 support dropped

Improvements:
* Added native support for verfied language skills
* Added native support for map provider's selection for pedestrian tasks in `AssignmentsIssuingViewConfig`
* Improved default status code dependent retry policies
* Requests originated from `toloka.streaming` or `toloka.metrics` are now marked with additional headers. This makes it easier for us to collect these features' usage statistics
* Annotations now use `urllib3` instead of weird `requests.packages.urllib3`
* Actualized outdated docstrings in `toloka.client.user_bonus`

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Fixes:
* Fixed uninitialized `start_soon`. See https://github.com/Toloka/toloka-kit/issues/48
* New `metrics` example

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Fixes:
* Fixed maximum recursion depth exceptions
* Fixed `download_attachment`