Use new minimum version of pytest
pytest-cov requires pytest>=4.6 so we explicitly list that as a dev
dependency.
MODIFY
Pipfile
Pipfile
# update these accordingly
[dev-packages]
-pytest=">=3.6"
+pytest=">=4.6"
wheel="*"
pytest-cov="*"
PyYAML = "*"

MODIFY
dev-requirements.txt
dev-requirements.txt
# Note that there is also a Pipfile for this project if you are updating this
# file do not forget to update the Pipfile accordingly
pyyaml
-pytest>=3.6
+pytest>=4.6
wheel
pytest-cov
pre-commit

Use new minimum version of pytest

pytest-cov requires pytest>=4.6 so we explicitly list that as a dev
dependency.