@@ 1,63 1,64 @@ 
 from django import forms
 from django.db.models import Q
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from .models import BitBucketRepo, BitBucketRule
 
 
 class BitBucketRepoAdminForm(forms.ModelForm):
     class Meta:
         model = BitBucketRepo
-        fields = ('name', 'slug', 'access_key', 'trello_board')
+        fields = ("name", "slug", "access_key", "trello_board")
 
     def clean_access_key(self):
-        access_key = self.cleaned_data.get('access_key')
-        slug = self.cleaned_data.get('slug')
+        access_key = self.cleaned_data.get("access_key")
+        slug = self.cleaned_data.get("slug")
         if slug:
             query = Q(slug=slug) & Q(access_key=access_key)
-            if hasattr(self, 'instance'):
+            if hasattr(self, "instance"):
                 query &= ~Q(pk=self.instance.pk)
             if BitBucketRepo.objects.filter(query).exists():
-                raise forms.ValidationError(_(
-                    'There is already a BitBucket Repo stored with the '
-                    'same slug & access_key.'
-                ))
+                raise forms.ValidationError(
+                    _(
+                        "There is already a BitBucket Repo stored with the "
+                        "same slug & access_key."
+                    )
+                )
         return access_key
 
 
 class BitBucketRuleAdminForm(forms.ModelForm):
     class Meta:
         model = BitBucketRule
-        fields = ('repo', 'action', 'update', 'archive', 'move', 'trello_list')
+        fields = ("repo", "action", "update", "archive", "move", "trello_list")
 
     def __init__(self, *args, **kwargs):
         super(BitBucketRuleAdminForm, self).__init__(*args, **kwargs)
 
     def clean_action(self):
-        if 'action' not in self.cleaned_data:
-            raise forms.ValidationError(_('This field is required.'))
+        if "action" not in self.cleaned_data:
+            raise forms.ValidationError(_("This field is required."))
 
-        action = self.cleaned_data['action']
-        query = Q(repo=self.cleaned_data['repo']) & \
-                Q(action=action)
-        if hasattr(self, 'instance'):
+        action = self.cleaned_data["action"]
+        query = Q(repo=self.cleaned_data["repo"]) & Q(action=action)
+        if hasattr(self, "instance"):
             query &= ~Q(pk=self.instance.pk)
 
         if BitBucketRule.objects.filter(query).exists():
-            raise forms.ValidationError(_(
-                'A matching rule already exists for this BitBucketRepo'
-            ))
+            raise forms.ValidationError(
+                _("A matching rule already exists for this BitBucketRepo")
+            )
         return action
 
     def clean_trello_list(self):
-        trello_list = self.cleaned_data.get('trello_list')
+        trello_list = self.cleaned_data.get("trello_list")
         if trello_list:
-            if not self.cleaned_data.get('move', False):
-                raise forms.ValidationError(_(
-                    'Rule must have "Move" checked to select a Trello list'
-                ))
+            if not self.cleaned_data.get("move", False):
+                raise forms.ValidationError(
+                    _('Rule must have "Move" checked to select a Trello list')
+                )
         else:
-            if self.cleaned_data.get('move', False):
-                raise forms.ValidationError(_(
-                    'This field is required when "Move" is checked.'
-                ))
+            if self.cleaned_data.get("move", False):
+                raise forms.ValidationError(
+                    _('This field is required when "Move" is checked.')
+                )
         return trello_list

          

@@ 1,6 1,6 @@ 
 from django.db import models
 from django.utils import timezone
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from . import api
 
 Q = models.Q