Plugin is a namespace package

setup.cfg

@@ -22,7 +22,9 @@ project_urls =
 
 [options]
 zip_safe = True
-packages = find:
+package_dir =
+    =pelican
+packages = find_namespace:
 platforms = any
 include_package_data = True
 install_requires =
@@ -31,5 +33,8 @@ python_requires = >=3.7
 setup_requires =
     setuptools_scm
 
+[options.packages.find]
+where = pelican
+
 [bdist_wheel]
 universal = 1