Refactor TransactionProcessAdmin.delete_selected override

Override `delete_queryset` instead of overriding `delete_selected`
action. Fixes admin.E130 error.
Related ticket https://github.com/django/django/pull/10603

orchestra/contrib/payments/actions.py

@@ -175,16 +175,6 @@ commit.url_name = 'commit'
 commit.short_description = _("Commit")
 
 
-def delete_selected(modeladmin, request, queryset):
-    """ Has to have same name as admin.actions.delete_selected """
-    related_transactions = helpers.pre_delete_processes(modeladmin, request, queryset)
-    response = actions.delete_selected(modeladmin, request, queryset)
-    if response is None:
-        helpers.post_delete_processes(modeladmin, request, related_transactions)
-    return response
-delete_selected.short_description = actions.delete_selected.short_description
-
-
 def report(modeladmin, request, queryset):
     if queryset.model == Transaction:
         transactions = queryset

orchestra/contrib/payments/admin.py

@@ -179,7 +179,7 @@ class TransactionProcessAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
     change_view_actions = (
         actions.mark_process_as_executed, actions.abort, actions.commit, actions.report
     )
-    actions = change_view_actions + (actions.delete_selected,)
+    actions = change_view_actions
 
     display_state = admin_colored('state', colors=PROCESS_STATE_COLORS)
     display_created_at = admin_date('created_at', short_description=_("Created"))
@@ -233,6 +233,13 @@ class TransactionProcessAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
             helpers.post_delete_processes(self, request, related_transactions)
         return response
 
+    def delete_queryset(self, request, queryset):
+        # override default admin action delete behaviour
+        related_transactions = helpers.pre_delete_processes(self, request, queryset)
+        super().delete_queryset(self, request, queryset)
+        helpers.post_delete_processes(self, request, related_transactions)
+
+
 admin.site.register(PaymentSource, PaymentSourceAdmin)
 admin.site.register(Transaction, TransactionAdmin)
 admin.site.register(TransactionProcess, TransactionProcessAdmin)

orchestra/contrib/payments/helpers.py

@@ -5,7 +5,6 @@ from .models import Transaction
 
 
 def pre_delete_processes(modeladmin, request, queryset):
-    """ Has to have same name as admin.actions.delete_selected """
     if not queryset:
         messages.warning(request,
             _("No transaction process selected."))