diff --git a/mmseg/models/segmentors/__init__.py b/mmseg/models/segmentors/__init__.py
index 3f600ec..dca2f09 100644
--- a/mmseg/models/segmentors/__init__.py
+++ b/mmseg/models/segmentors/__init__.py
@@ -1,4 +1,5 @@
+from .base import BaseSegmentor
 from .cascade_encoder_decoder import CascadeEncoderDecoder
 from .encoder_decoder import EncoderDecoder
 
-__all__ = ['EncoderDecoder', 'CascadeEncoderDecoder']
+__all__ = ['BaseSegmentor', 'EncoderDecoder', 'CascadeEncoderDecoder']