django 1.7: Creating a ModelForm without either the 'fields' attribute or the...

django 1.7: Creating a ModelForm without either the 'fields' attribute or the 'exclude' attribute is deprecated

meetingpoll/forms.py

 from django import forms
 from .models import UserProfile, Poll, Choice, Bulletin, Vote
 from django.utils.translation import ugettext_lazy as _
-from datetime import datetime, timedelta
+from datetime import datetime
 from datetimewidget.widgets import DateTimeWidget
 
 dateTimeOptions = {
@@ -18,6 +18,7 @@ class UserProfileForm(forms.ModelForm):
         model = UserProfile
         fields = ('email_notifications',)
 
+
 class DateTimeWidgetFixed(DateTimeWidget):
     def __init__(self, **kwargs):
         super(DateTimeWidgetFixed, self).__init__(**kwargs)
@@ -53,9 +54,12 @@ class ChoiceForm(forms.ModelForm):
         #       options=dateTimeOptions)}
         exclude = ('poll', 'votecount')
 
+
 class BulletinForm(forms.ModelForm):
     class Meta:
         model = Bulletin
+        exclude = []
+
 
 class VoteForm(forms.ModelForm):
     comment = forms.CharField(