* test for large vectors persistence
* large vectors for tests
* use sqlite for persistence
* mypy + migration error reporting
* fix sphinx version
* Local persistence test fixes (#169)
* Reload the collections to support multiple clients
* Extend the test_local_persistence.py with assertions
* prevent parallel access
* fix types
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Co-authored-by: Andrey Vasnetsov <andrey@vasnetsov.com>
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Co-authored-by: Kacper Łukawski <kacperlukawski@users.noreply.github.com>
