Remove all versioneer related files. Update setup.py to work with
setuptools-scm. Update boule/version.py to work with setuptools-scm.
Remove setup.cfg and move all flake8 configuration to .flake8 file. Add
setuptools-scm to requirements.txt and environment.yml.
Remove all versioneer related files. Update setup.py to work with setuptools-scm. Update boule/version.py to work with setuptools-scm. Remove setup.cfg and move all flake8 configuration to .flake8 file. Add setuptools-scm to requirements.txt and environment.yml.
Related to fatiando/maintenance#4