From f2c92aa9bbb0689e2e8e9a7ab6a3066bfb154f77 Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Wed, 29 Jan 2020 09:21:23 +0000
Subject: [PATCH] [MatrixException] Add nullchecker

---
 lib/src/utils/matrix_exception.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/utils/matrix_exception.dart b/lib/src/utils/matrix_exception.dart
index 056585c1..e2b51409 100644
--- a/lib/src/utils/matrix_exception.dart
+++ b/lib/src/utils/matrix_exception.dart
@@ -100,7 +100,7 @@ class MatrixException implements Exception {
   Map<String, dynamic> get authenticationParams => raw["params"];
 
   /// Returns the list of already completed authentication flows from previous requests.
-  List<String> get completedAuthenticationFlows => List<String>.from(raw["completed"]);
+  List<String> get completedAuthenticationFlows => List<String>.from(raw["completed"] ?? []);
 }
 
 /// For each endpoint, a server offers one or more 'flows' that the client can use