Could not import setting.views.types. View does not exist in module setting.views

Could not import setting.views.types. View does not exist in module
setting.views

widgets.py
from django.utils.safestring import mark_safe
from django.forms.widgets import Widget, Select
from django import forms
from django.conf import settings
class CheckboxDivSelectMultiple(CheckboxSelectMultiple):
'''renders the checkboxes as divs with a hard coded class'''
def render(self, name, value, attrs=None, choices=()):
if value is None: value = []
has_id = attrs and 'id' in attrs
final_attrs = self.build_attrs(attrs, name=name)
output = [u'<div>']
"""""""""
option_label = conditional_escape(force_unicode(option_label))
output.append(u'<div class="%s"><label%s>%s %s</label></div>' %
('new-class', label_for, rendered_cb, option_label))
output.append(u'</div>')
return mark_safe(u'\n'.join(output))
forms.py
class TypeSelectionForm(forms.Form):
checkbox_field =
forms.MultipleChoiceField(widget=forms.CheckboxDivSelectMultiple(),
label="", required=False)
I am overriding the checkboxselectmultiple with custom widget.I placed the
widget code in widgets.py.it is returned with error "ViewDoesNotExist at
/setting/type/"
Below traceback:
Environment:
Request Method: GET
Request URL: http://192.168.100.12/setting/type/
Django Version: 1.4.1
Python Version: 2.7.0
Traceback:
File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py" in
get_response
101. request.path_info)
File "/usr/lib/python2.7/site-packages/django/core/urlresolvers.py" in
resolve
300. sub_match = pattern.resolve(new_path)
File "/usr/lib/python2.7/site-packages/django/core/urlresolvers.py" in
resolve
300. sub_match = pattern.resolve(new_path)
File "/usr/lib/python2.7/site-packages/django/core/urlresolvers.py" in
resolve
209. return ResolverMatch(self.callback, args, kwargs,
self.name)
File "/usr/lib/python2.7/site-packages/django/core/urlresolvers.py" in
callback
216. self._callback = get_callable(self._callback_str)
File "/usr/lib/python2.7/site-packages/django/utils/functional.py" in wrapper
27. result = func(*args)
File "/usr/lib/python2.7/site-packages/django/core/urlresolvers.py" in
get_callable
101. (lookup_view, mod_name))
Exception Type: ViewDoesNotExist at /setting/type/
Exception Value: Could not import setting.views.types. View does not exist
in module setting.views.
urls.py
urlpatterns = patterns(
'setting.views',
(r'^$', 'index'),
(r'^call/$', 'add_phone'),
(r'^contacts/$', 'contact_list'),
(r'^type/$', 'types'),
(r'^default_type/$', 'default_type'),
(r'^default_location/$', 'default_location'),
(r'^type/(?P<type_id>\w+)/$', 'type_list'),
)