Add upstream commit 723c40a8153d20dce0c6dd1a91f193ef0375a194 via patch:

    Update ext.appengine.fields for unicode_literals. Fixes #153.

Fixes build failure with on py32.  Bump PKGREVISION.

www/py-wtforms/Makefile

@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.5 2013/05/08 08:30:47 kleink Exp $
+# $NetBSD: Makefile,v 1.6 2013/09/23 20:36:27 kleink Exp $
 
 DISTNAME=	WTForms-1.0.4
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME:tl}
-PKGREVISION=	1
+PKGREVISION=	2
 CATEGORIES=	www python
 MASTER_SITES=	http://pypi.python.org/packages/source/W/WTForms/
 EXTRACT_SUFX=	.zip

www/py-wtforms/distinfo

@@ -1,5 +1,6 @@
-$NetBSD: distinfo,v 1.3 2013/05/07 20:49:33 kleink Exp $
+$NetBSD: distinfo,v 1.4 2013/09/23 20:36:27 kleink Exp $
 
 SHA1 (WTForms-1.0.4.zip) = e8d97b4c72e805b8e29c5d2e6673c40780490c69
 RMD160 (WTForms-1.0.4.zip) = 93e853ff39c356bf73c01d37b4a38541d2e3e4fb
 Size (WTForms-1.0.4.zip) = 345261 bytes
+SHA1 (patch-ext_appengine_fields.py) = 3f4eef6d763522a93cabc60aeb5691f359297fad

www/py-wtforms/patches/patch-ext_appengine_fields.py

@@ -0,0 +1,51 @@
+$NetBSD: patch-ext_appengine_fields.py,v 1.1 2013/09/23 20:36:27 kleink Exp $
+
+--- wtforms/ext/appengine/fields.py.orig	2013-05-03 10:40:00.000000000 +0200
++++ wtforms/ext/appengine/fields.py	2013-09-23 22:26:20.000000000 +0200
+@@ -114,7 +114,7 @@
+ 
+     def __init__(self, label=None, validators=None, reference_class=None,
+                  label_attr=None, get_label=None, allow_blank=False,
+-                 blank_text=u'', **kwargs):
++                 blank_text='', **kwargs):
+         super(KeyPropertyField, self).__init__(label, validators,
+                                                      **kwargs)
+         if label_attr is not None:
+@@ -149,7 +149,7 @@
+ 
+     def iter_choices(self):
+         if self.allow_blank:
+-            yield (u'__None', self.blank_text, self.data is None)
++            yield ('__None', self.blank_text, self.data is None)
+
+         for obj in self.query:
+             key = str(obj.key.id())
+@@ -170,9 +170,9 @@
+                 if self.data.key == obj.key:
+                     break
+             else:
+-                raise ValueError(self.gettext(u'Not a valid choice'))
++                raise ValueError(self.gettext('Not a valid choice'))
+         elif not self.allow_blank:
+-            raise ValueError(self.gettext(u'Not a valid choice'))
++            raise ValueError(self.gettext('Not a valid choice'))
+
+
+ class StringListPropertyField(fields.TextAreaField):
+@@ -203,14 +203,14 @@
+         if self.raw_data:
+             return self.raw_data[0]
+         else:
+-            return self.data and unicode("\n".join(self.data)) or u''
++            return text_type('\n'.join(self.data)) if self.data else ''
+
+     def process_formdata(self, valuelist):
+         if valuelist:
+             try:
+                 self.data = [int(value) for value in valuelist[0].splitlines()]
+             except ValueError:
+-                raise ValueError(self.gettext(u'Not a valid integer list'))
++                raise ValueError(self.gettext('Not a valid integer list'))
+
+
+ class GeoPtPropertyField(fields.TextField):