fix version issue

pyproject.toml

@@ -0,0 +1,16 @@
+[build-system]
+requires = ["setuptools>=41.2", "setuptools_scm", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[tool.interrogate]
+ignore-init-method = true
+ignore-init-module = false
+ignore-magic = false
+ignore-semiprivate = false
+ignore-private = false
+ignore-module = false
+fail-under = 85
+exclude = ["setup.py", "docs", "tests"]
+verbose = 1
+quiet = false
+color = true

setup.cfg

@@ -1,15 +1,3 @@
-# See the docstring in versioneer.py for instructions. Note that you must
-# re-run 'versioneer.py setup' after changing this section, and commit the
-# resulting files.
-
-[versioneer]
-VCS = git
-style = pep440
-versionfile_source = folium/_version.py
-versionfile_build = folium/_version.py
-tag_prefix = v
-parentdir_prefix =
-
 [tool:pytest]
 flake8-max-line-length = 121
 flake8-ignore =