diff --git a/storage.py b/storage.py
index b3f2d06..1e632fc 100644
--- a/storage.py
+++ b/storage.py
@@ -239,14 +239,14 @@ class DataStorage(dict):
     for k in keys:
       if k[0] == "_": continue
       obj = self[k]
-      if isinstance(obj,np.ndarray):
+      if isinstance(obj,(list,tuple,np.ndarray)) and all( [isinstance(v,np.ndarray) for v in obj]):
+        value_str = "list of arrays, shapes " + ",".join([str(v.shape) for v in obj[:5]]) + " ..."
+      elif isinstance(obj,np.ndarray):
         value_str = "array, size %s, type %s"% ("x".join(map(str,obj.shape)),obj.dtype)
       elif isinstance(obj,DataStorage):
         value_str = str(obj)[:50]
       elif isinstance(obj,(str,DataStorage)):
         value_str = obj[:50] 
-      elif isinstance(obj,(list,tuple)) and all( [isinstance(v,np.ndarray) for v in obj]):
-        value_str = "list of arrays, shapes " + ",".join([str(v.shape) for v in obj[:5]]) + " ..."
       elif self[k] is None:
         value_str = "None"
       else: