Fix class property reference for py3

Author: mhagander

pgcommitfest/commitfest/forms.py

@@ -98,7 +98,7 @@ class CommentForm(forms.Form):
     review_doc = reviewfield('Documentation')
 
     message = forms.CharField(required=True, widget=forms.Textarea)
-    newstatus = forms.ChoiceField(choices=PatchOnCommitFest.OPEN_STATUS_CHOICES, label='New status')
+    newstatus = forms.ChoiceField(choices=PatchOnCommitFest.OPEN_STATUS_CHOICES(), label='New status')
 
     def __init__(self, patch, poc, is_review, *args, **kwargs):
         super(CommentForm, self).__init__(*args, **kwargs)

pgcommitfest/commitfest/models.py

@@ -183,7 +183,10 @@ class PatchOnCommitFest(models.Model):
         (STATUS_WITHDRAWN, 'danger'),
     )
     OPEN_STATUSES = [STATUS_REVIEW, STATUS_AUTHOR, STATUS_COMMITTER]
-    OPEN_STATUS_CHOICES = [x for x in _STATUS_CHOICES if x[0] in OPEN_STATUSES]
+
+    @classmethod
+    def OPEN_STATUS_CHOICES(cls):
+        return [x for x in cls._STATUS_CHOICES if x[0] in cls.OPEN_STATUSES]
 
     patch = models.ForeignKey(Patch, blank=False, null=False)
     commitfest = models.ForeignKey(CommitFest, blank=False, null=False)