From 9bdf1e07f1ce1124b6edadedb05c2729c5876285 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jes=C3=BAs=20Espino?= <jesus.espino@kaleidos.net>
Date: Tue, 14 Feb 2017 21:00:21 +0100
Subject: [PATCH] [Backport] Avoid problems with some malformed requests

---
 taiga/projects/history/mixins.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/taiga/projects/history/mixins.py b/taiga/projects/history/mixins.py
index 14a0f44d..c8f67305 100644
--- a/taiga/projects/history/mixins.py
+++ b/taiga/projects/history/mixins.py
@@ -56,7 +56,9 @@ class HistoryResourceMixin(object):
         """
 
         user = self.request.user
-        comment = self.request.DATA.get("comment", "")
+        comment = ""
+        if isinstance(self.request.DATA, dict):
+            comment = self.request.DATA.get("comment", "")
 
         if obj is None:
             obj = self.get_object()