From 9b00fc34748115475e8adafcf013f53039839469 Mon Sep 17 00:00:00 2001
From: Janne Sinivirta <janne.sinivirta@gmail.com>
Date: Sun, 29 Oct 2017 16:16:23 +0200
Subject: [PATCH] use .ix instead of .loc for small perf boost

---
 freqtrade/analyze.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/freqtrade/analyze.py b/freqtrade/analyze.py
index 399c5cd0b..1eeb8408d 100644
--- a/freqtrade/analyze.py
+++ b/freqtrade/analyze.py
@@ -54,14 +54,14 @@ def populate_buy_trend(dataframe: DataFrame) -> DataFrame:
     :param dataframe: DataFrame
     :return: DataFrame with buy column
     """
-    dataframe.loc[
+    dataframe.ix[
         (dataframe['close'] < dataframe['sma']) &
         (dataframe['tema'] <= dataframe['blower']) &
         (dataframe['mfi'] < 25) &
         (dataframe['fastd'] < 25) &
         (dataframe['adx'] > 30),
         'buy'] = 1
-    dataframe.loc[dataframe['buy'] == 1, 'buy_price'] = dataframe['close']
+    dataframe.ix[dataframe['buy'] == 1, 'buy_price'] = dataframe['close']
 
     return dataframe