diff --git a/models/ModelBase.py b/models/ModelBase.py
index 3529de8..6df3b7d 100644
--- a/models/ModelBase.py
+++ b/models/ModelBase.py
@@ -223,7 +223,7 @@ class ModelBase(object):
         
     #overridable
     def get_converter(self):
-        raise NotImplementeError
+        raise NotImplementedError
         #return existing or your own converter which derived from base
      
     def get_target_epoch(self):
@@ -441,4 +441,4 @@ class ModelBase(object):
         lh_text = 'Epoch: %d' % (epoch) if epoch != 0 else ''
         
         lh_img[last_line_t:last_line_b, 0:w] += image_utils.get_text_image (  (w,last_line_b-last_line_t,c), lh_text, color=[0.8]*c )
-        return lh_img
\ No newline at end of file
+        return lh_img