diff --git a/i3pystatus/core/imputil.py b/i3pystatus/core/imputil.py
index b37ed89..8fe36a6 100644
--- a/i3pystatus/core/imputil.py
+++ b/i3pystatus/core/imputil.py
@@ -1,6 +1,7 @@
 import inspect
 import types
 from importlib import import_module
+from i3pystatus.core.exceptions import ConfigAmbigiousClassesError, ConfigInvalidModuleError
 
 
 class ClassFinder: