UPD: moved contents to __init__

setup.py

@@ -11,9 +11,9 @@ class APIGenBuild(build_py):
             target_dir = os.path.join(self.build_lib, 'netdb_client')
             self.mkpath(target_dir)
 
-            with open(os.path.join(target_dir, 'model.py'), 'wb') as fobj:
+            with open(os.path.join(target_dir, '__init__.py'), 'wb') as fobj:
                 fobj.write(gen.stdout)
-                py_compile.compile(os.path.join(target_dir, 'model.py'))
+                py_compile.compile(os.path.join(target_dir, '__init__.py'))
         build_py.run(self)