From 04dcc6984ce8077fd9071aa3562f2676d9270a49 Mon Sep 17 00:00:00 2001
From: Karl Hobley <karlhobley10@gmail.com>
Date: Fri, 4 Sep 2015 14:19:11 +0100
Subject: [PATCH] Add error_messages attribute to UserCreationForm

Fixes #1665
---
 wagtail/wagtailusers/forms.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/wagtail/wagtailusers/forms.py b/wagtail/wagtailusers/forms.py
index ce4108a01..fa1736068 100644
--- a/wagtail/wagtailusers/forms.py
+++ b/wagtail/wagtailusers/forms.py
@@ -43,8 +43,13 @@ class UsernameForm(forms.ModelForm):
 
 
 class UserCreationForm(UsernameForm):
-
     required_css_class = "required"
+
+    error_messages = {
+        'duplicate_username': _("A user with that username already exists."),
+        'password_mismatch': _("The two password fields didn't match."),
+    }
+
     is_superuser = forms.BooleanField(
         label=_("Administrator"),
         required=False,