diff --git a/src/jcloud_docsgen/core/python/namespaces.py b/src/jcloud_docsgen/core/python/namespaces.py
index 2d5dea7..a8524fb 100644
--- a/src/jcloud_docsgen/core/python/namespaces.py
+++ b/src/jcloud_docsgen/core/python/namespaces.py
@@ -14,6 +14,12 @@
 
 from ...exceptions import InvalidNamespaceError, NamespaceNotFoundError
 
+__all__ = [
+    'PythonNamespace',
+    'PythonPackageNamespace',
+    'PythonModuleNamespace'
+]
+
 class PythonNamespace:
     '''
     The base class for all python namespaces such as modules or packages.
@@ -63,7 +69,6 @@ class PythonPackageNamespace(PythonNamespace):
         else:
             return sub_namespace
 
-
 class PythonModuleNamespace(PythonNamespace):
     '''
     A subclass of ``PythonNamespace`` for python module namespaces.