From d09f42542b62592293dc3e3a0efc2b894ce96e38 Mon Sep 17 00:00:00 2001
From: AnthonyLaw <anthony@symbol.dev>
Date: Fri, 15 Sep 2023 03:47:31 +0800
Subject: [PATCH] [lightapi/python] fix: Handle none in transfer message and
 relativeChange in multisig account modification

---
 lightapi/python/symbollightapi/model/Transaction.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lightapi/python/symbollightapi/model/Transaction.py b/lightapi/python/symbollightapi/model/Transaction.py
index 70dc50b83..aef370cab 100644
--- a/lightapi/python/symbollightapi/model/Transaction.py
+++ b/lightapi/python/symbollightapi/model/Transaction.py
@@ -413,6 +413,8 @@ def _map_transfer_args(tx_dict):
 				message['payload'],
 				message['type']
 			)
+		else:
+			message = None
 
 		mosaics = None
 		if 'mosaics' in tx_dict:
@@ -441,7 +443,7 @@ def _map_account_key_link_args(tx_dict):
 	@staticmethod
 	def _map_multisig_account_modification_args(tx_dict):
 		min_cosignatories = 0
-		if 'minCosignatories' in tx_dict:
+		if 'minCosignatories' in tx_dict and 'relativeChange' in tx_dict['minCosignatories']:
 			min_cosignatories = tx_dict['minCosignatories']['relativeChange']
 
 		return {