From fb42cabe87249f0a5eefdd8c11903e76facfc876 Mon Sep 17 00:00:00 2001
From: Unknown <dominique.sydow@posteo.de>
Date: Wed, 30 Jun 2021 08:08:54 +0200
Subject: [PATCH] Kinase matrix for size: Fill NaN with 0 (got lost during code
 move)

---
 kissim/comparison/matrix.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kissim/comparison/matrix.py b/kissim/comparison/matrix.py
index 079ff81b..ff8560c6 100644
--- a/kissim/comparison/matrix.py
+++ b/kissim/comparison/matrix.py
@@ -102,6 +102,7 @@ def kinase_distance_matrix(
 
     # If matrix contains number of structure pairs: NaN > 0, cast to int
     if by == "size":
+        matrix = matrix.fillna(0)
         matrix = matrix.astype("int64")
 
     return matrix