* rename and move dao file
* Update dao.py
* add cachekey
* Update __init__.py
* change reference in query context test
* add utils ref
* more ref changes
* add helpers
* add todo in dashboard.py
* add cachekey
* circular import error in dar.py
* push rest of refs
* fix linting
* fix more linting
* update enum
* remove references for connector registry
* big reafctor
* take value
* fix
* test to see if removing value works
* delete connectregistry
* address concerns
* address comments
* fix merge conflicts
* address concern II
* address concern II
* fix test
Co-authored-by: Phillip Kelley-Dotson <pkelleydotson@yahoo.com>
* Bump pylint version to 2.5.3
* Add a global disable for the most common new pylint error
* Fix a bunch of files containing very few errors
* More pylint tweakage, low-hanging fruit
* More easy stuff...
* Fix more erroring files
* Fix the last couple of errors, clean pylint!
* Black
* Fix mypy issue in connectors/druid/models.py
* [dashboard] Refactor API using SIP-35
* [dashboard] Fix, import
* [dashboard] more tests
* [dashboards] a misc of improvements
* [charts] Fix, DAO and tests
* [dashboards] small exceptions refactor
* [dashboards] lint
* [dashboards] Improves comments on base classes
* [dashboards] lint
