From caea495f4087cabb15914123deca8acf94bbf4c6 Mon Sep 17 00:00:00 2001
From: you-n-g <you-n-g@users.noreply.github.com>
Date: Fri, 22 Apr 2022 09:16:06 +0800
Subject: [PATCH] Update handler.py (#1044)

---
 qlib/data/dataset/handler.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qlib/data/dataset/handler.py b/qlib/data/dataset/handler.py
index bb1da2754..bb44cd893 100644
--- a/qlib/data/dataset/handler.py
+++ b/qlib/data/dataset/handler.py
@@ -515,7 +515,7 @@ class DataHandlerLP(DataHandler):
         # data for learning
         # 1) assign
         if self.process_type == DataHandlerLP.PTYPE_I:
-            _learn_df = self._data
+            _learn_df = _shared_df
         elif self.process_type == DataHandlerLP.PTYPE_A:
             # based on `infer_df` and append the processor
             _learn_df = _infer_df