From d0f1cc59793aa11a3d37710a98a8cdc4c39b88ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ricardo=20Montan=CC=83ana?= <rmontanana@gmail.com>
Date: Thu, 10 Mar 2022 14:32:33 +0100
Subject: [PATCH] fix format issue

---
 .pre-commit-config.yaml | 2 +-
 mufs/Selection.py       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2a87625..b6625e3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/ambv/black
-    rev: 20.8b1
+    rev: 22.1.0
     hooks:
       - id: black
         exclude: ".virtual_documents"
diff --git a/mufs/Selection.py b/mufs/Selection.py
index 2077cec..d020f75 100755
--- a/mufs/Selection.py
+++ b/mufs/Selection.py
@@ -128,7 +128,7 @@ class MUFS:
         k = len(features)
         for pair in list(combinations(features, 2)):
             rff += self._compute_su_features(*pair)
-        return k * rcf / sqrt(k + (k ** 2 - k) * rff)
+        return k * rcf / sqrt(k + (k**2 - k) * rff)
 
     def cfs(self, X, y):
         """Correlation-based Feature Selection