From 752f589bed75cf5b8df0b05a5b21c3f97b471e53 Mon Sep 17 00:00:00 2001
From: Alban Diquet <nabla.c0d3@gmail.com>
Date: Sun, 5 Mar 2023 17:57:00 +0100
Subject: [PATCH] tweaks

---
 securedrop/actions/sources_actions.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/securedrop/actions/sources_actions.py b/securedrop/actions/sources_actions.py
index f232946da53..6d582ec8fe2 100644
--- a/securedrop/actions/sources_actions.py
+++ b/securedrop/actions/sources_actions.py
@@ -1,4 +1,4 @@
-from abc import abstractmethod
+from abc import abstractmethod, ABC
 from dataclasses import dataclass
 from datetime import datetime
 from enum import Enum
@@ -9,14 +9,14 @@
 import models
 
 
-@dataclass
+@dataclass(frozen=True)
 class PaginationConfig:
     # TODO: Validate and reject negative numbers
     page_size: int
     page_number: int
 
 
-class SupportsPagination:
+class SupportsPagination(ABC):
 
     @abstractmethod
     def create_query(self):