From 2c88963e3c199d771ee97c1b5a558471a9c179cc Mon Sep 17 00:00:00 2001
From: Griatch <griatch@gmail.com>
Date: Thu, 5 Oct 2017 20:18:57 +0200
Subject: [PATCH] Fix to handle changed Widget signature affecting picklefield
 in admin

---
 evennia/utils/picklefield.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/evennia/utils/picklefield.py b/evennia/utils/picklefield.py
index d63b9b32e..bd0a9b164 100644
--- a/evennia/utils/picklefield.py
+++ b/evennia/utils/picklefield.py
@@ -126,7 +126,13 @@ class PickledWidget(Textarea):
         except ValueError:
             return value
 
-        final_attrs = self.build_attrs(attrs, name=name)
+        # fix since the signature of build_attrs changed in Django 1.11
+        if attrs is not None:
+            attrs["name"] = name
+        else:
+            attrs = {"name": name}
+
+        final_attrs = self.build_attrs(attrs)
         return format_html('<textarea{0}>\r\n{1}</textarea>',
                            flatatt(final_attrs),
                            value)