Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.4.3 to 6.0.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/5.4.3...6.0.1

)

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Bumps [pylint](https://github.com/PyCQA/pylint) from 2.5.3 to 2.6.0.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](https://github.com/PyCQA/pylint/compare/pylint-2.5.3...pylint-2.6.0

)

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Bumps [flake8](https://gitlab.com/pycqa/flake8) from 3.7.9 to 3.8.3.
- [Release notes](https://gitlab.com/pycqa/flake8/tags)
- [Commits](https://gitlab.com/pycqa/flake8/compare/3.7.9...3.8.3

)

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Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.4.1 to 5.4.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/5.4.1...5.4.3

)

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Bumps [pylint](https://github.com/PyCQA/pylint) from 1.9.4 to 2.5.3.
- [Release notes](https://github.com/PyCQA/pylint/releases)
- [Changelog](https://github.com/PyCQA/pylint/blob/master/ChangeLog)
- [Commits](https://github.com/PyCQA/pylint/compare/pylint-1.9.4...pylint-2.5.3

)

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Bumps [flake8](https://gitlab.com/pycqa/flake8) from 3.7.8 to 3.7.9.
- [Release notes](https://gitlab.com/pycqa/flake8/tags)
- [Commits](https://gitlab.com/pycqa/flake8/compare/3.7.8...3.7.9

)

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Bumps [pytest](https://github.com/pytest-dev/pytest) from 4.6.5 to 5.4.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/4.6.5...5.4.1

)

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* upgraded to python3

* added dev make targets

* added support for OVERRIDE_MODELS

* enable tests in ci

* linting

* python3 compat

* fixed entrypoint with single quotes

* remove implicit dependency on build target

* added --no-deps