Update pyproject.toml

pyproject.toml

@@ -50,4 +50,4 @@ readme = {file = ["README.md"]}
 where = ["src"]  # list of folders that contain the packages (["."] by default)
 include = ["openalea.phenomenal*"]  # package names should match these glob patterns (["*"] by default)
 exclude = ["test*"]  # exclude packages matching these glob patterns (empty by default)
-namespaces = false  # to disable scanning PEP 420 namespaces (true by default)
+namespaces = true  # to disable scanning PEP 420 namespaces (true by default)