Merge remote-tracking branch 'me/handler_cache_demo' into handler_cache_demo

you-n-g · you-n-g · commit a6c16dd1ba99 · 2021-09-26T09:48:34.000Z
diff --git a/examples/data_demo/data_cache_demo.py b/examples/data_demo/data_cache_demo.py
@@ -5,7 +5,6 @@
     - To show the data modules of Qlib is Serializable, users can dump processed data to disk to avoid duplicated data preprocessing
 """
 
-from copy import deepcopy
 from copy import deepcopy
 from pathlib import Path
 import pickle
