memory usage sum Int64, not compatible with starret

model_server/base/roiset.py

@@ -623,7 +623,7 @@ class RoiSet(object):
             'raw_shape_dict': self.acc_raw.shape_dict,
             'count': self.count,
             'classify_by': self.classification_columns,
-            'df_memory_usage': self.get_df().memory_usage(deep=True).sum()
+            'df_memory_usage': int(self.get_df().memory_usage(deep=True).sum())
         }
 
     def get_df(self) -> pd.DataFrame: