From c7b67e33a86358f1f292427d977f7fb7450b08e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Vinot?= <raphael@vinot.info>
Date: Tue, 17 Jan 2023 10:24:55 +0100
Subject: [PATCH] fix: Set relationship_type default in MISPTag to empty string

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

diff --git a/pymisp/abstract.py b/pymisp/abstract.py
index aa30c6d..4f65c32 100644
--- a/pymisp/abstract.py
+++ b/pymisp/abstract.py
@@ -383,7 +383,7 @@ class MISPTag(AbstractMISP):
 
     def _set_default(self):
         if not hasattr(self, 'relationship_type'):
-            self.relationship_type = None
+            self.relationship_type = ''
         if not hasattr(self, 'colour'):
             self.colour = '#ffffff'