From 4979057c6fbd045a7998dba53388654d45a217ef Mon Sep 17 00:00:00 2001
From: ckend <83493903@qq.com>
Date: Tue, 23 Nov 2021 00:26:54 +0800
Subject: [PATCH] bugfix: Adaptation to the stable version of pandas

---
 alphalens/tears.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/alphalens/tears.py b/alphalens/tears.py
index 5616dd1e..feb1605c 100644
--- a/alphalens/tears.py
+++ b/alphalens/tears.py
@@ -431,7 +431,7 @@ def create_turnover_tear_sheet(factor_data, turnover_periods=None):
     if turnover_periods is None:
         input_periods = utils.get_forward_returns_columns(
             factor_data.columns, require_exact_day_multiple=True,
-        ).get_values()
+        ).to_numpy()
         turnover_periods = utils.timedelta_strings_to_integers(input_periods)
     else:
         turnover_periods = utils.timedelta_strings_to_integers(