use pyproject.toml and remove versioneer

.github/workflows/build.yml

@@ -36,8 +36,8 @@ jobs:
 
       - name: Build a source tarball and wheel
         run: |
-            pip install wheel
-            python setup.py sdist bdist_wheel
+            pip install build
+            python -m build
 
       - name: Get and store tag from 'Bump version and push tag' step
         if: ${{ !startsWith(github.ref, 'refs/tags/') }}

bluepyopt/__init__.py

@@ -20,10 +20,9 @@
 """
 
 # pylint: disable=W0611
+from importlib.metadata import version
 
-from ._version import get_versions
-__version__ = get_versions()['version']
-del get_versions
+__version__ = version("bluepyopt")
 
 from . import tools  # NOQA