resolve jinja2 Markup deprecation

fixes #150

Author: guruofgentoo

keg_elements/forms/validators.py

@@ -2,7 +2,7 @@
 
 from decimal import Decimal
 
-import jinja2
+import markupsafe
 from wtforms import ValidationError
 import re
 
@@ -100,6 +100,6 @@ def __call__(self, form, field):
             else:
                 text = _('This value must be unique but is already assigned to {link}.',
                          link=self.object_html_link(other))
-            msg = jinja2.Markup(text)
+            msg = markupsafe.Markup(text)
             raise ValidationError(msg)
         return True

keg_elements/tests/test_forms/test_validators.py

@@ -1,5 +1,5 @@
 # coding=utf-8
-import jinja2
+import markupsafe
 import pytest
 import wtforms
 from werkzeug.datastructures import MultiDict
@@ -28,13 +28,13 @@ def test_validation_fails(self):
         form = UniqueForm(MultiDict({'uq_field': '1'}))
         assert form.uq_field.validate(form) is False
         assert form.uq_field.errors == [
-            jinja2.Markup('This value must be unique but is already assigned to link.')
+            markupsafe.Markup('This value must be unique but is already assigned to link.')
         ]
 
         form = UniqueForm(MultiDict({'uq_field': '1'}), obj=2)
         assert form.uq_field.validate(form) is False
         assert form.uq_field.errors == [
-            jinja2.Markup('This value must be unique but is already assigned to link.')
+            markupsafe.Markup('This value must be unique but is already assigned to link.')
         ]
 
     def test_no_object_link_provided(self):
@@ -47,7 +47,7 @@ def get_object_by_field(self, field):
         form = Form(MultiDict({'uq_field': '1'}))
         assert form.uq_field.validate(form) is False
         assert form.uq_field.errors == [
-            jinja2.Markup('This value must be unique but is already assigned.')
+            markupsafe.Markup('This value must be unique but is already assigned.')
         ]
 
     def test_get_obj(self):