From a7455accae32bfac586287006372f5dbcb8fc40e Mon Sep 17 00:00:00 2001
From: Jaewoong Lee <230@fumire.moe>
Date: Thu, 15 Apr 2021 08:51:59 +0900
Subject: [PATCH] This is a patch for the issue #13

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

diff --git a/comut/comut.py b/comut/comut.py
index 270656c..3fca1de 100644
--- a/comut/comut.py
+++ b/comut/comut.py
@@ -1042,7 +1042,7 @@ def _plot_indicator_data(self, ax, data, name, plot_kwargs):
         for i, group in enumerate(set(data['group'])):
 
             # ignore missing samples
-            if np.isnan(group):
+            if df.isna(group):
                 continue
 
             # plot the first with a label so legend can extract it later