From 8670ea222eeda889a6546ddb30520d2ec6bab4cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=C3=B4nio=20C=C3=A2ndido=20de=20Lima=20e=20Silva?=
 <petronio.candido@gmail.com>
Date: Mon, 25 Mar 2019 12:16:25 -0300
Subject: [PATCH] Update ifts.py

---
 pyFTS/models/ifts.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyFTS/models/ifts.py b/pyFTS/models/ifts.py
index 4987c73..0826159 100644
--- a/pyFTS/models/ifts.py
+++ b/pyFTS/models/ifts.py
@@ -13,7 +13,7 @@ from pyFTS.common import FuzzySet, FLR, fts, tree
 from pyFTS.models import hofts
 
 
-class IntervalFTS(hofts.HighOrderFTS):
+class IntervalFTS(hofts.WeightedHighOrderFTS):
     """
     High Order Interval Fuzzy Time Series
     """