python3: discard tabs in python source files (#31158)

src/authentic2/registration_backend/forms.py

@@ -128,7 +128,7 @@ class RegistrationCompletionForm(RegistrationCompletionFormNoPassword):
         if 'password1' in self.cleaned_data and 'password2' in self.cleaned_data:
             if self.cleaned_data['password1'] != self.cleaned_data['password2']:
                 raise ValidationError(_("The two password fields didn't match."))
-	    self.instance.set_password(self.cleaned_data['password1'])
+            self.instance.set_password(self.cleaned_data['password1'])
         return self.cleaned_data
 
 

src/authentic2/registration_backend/urls.py

@@ -7,7 +7,7 @@ from .views import RegistrationView, registration_completion, DeleteView, regist
 
 urlpatterns = [
     url(r'^activate/(?P<registration_token>[\w: -]+)/$',
-	registration_completion, name='registration_activate'),
+        registration_completion, name='registration_activate'),
     url(r'^register/$',
         RegistrationView.as_view(),
         name='registration_register'),

src/authentic2/saml/migrations/0008_alter_foreign_keys.py

@@ -32,10 +32,10 @@ def alter_foreign_keys(apps, schema_editor):
             a.save()
     for fed in LibertyFederation.objects.all():
         if fed.idp:
-	    lp = LibertyProvider.objects.get(old_id=fed.idp)
+            lp = LibertyProvider.objects.get(old_id=fed.idp)
             fed.idp = lp.service_ptr_id
         if fed.sp:
-	    lp = LibertyProvider.objects.get(old_id=fed.sp)
+            lp = LibertyProvider.objects.get(old_id=fed.sp)
             fed.sp = lp.service_ptr_id
         fed.save()