chore: remove unnecesarry None check

joj3_config_generator/processers/task.py

@@ -186,14 +186,7 @@ def fix_diff(
                 proc_limit=50,
             )
         )
-
+        diff_output = case_stage.diff.output
-        # Ensure case_stage.diff and case_stage.diff.output are defined
-        diff_output = (
-            case_stage.diff.output
-            if case_stage.diff and case_stage.diff.output
-            else None
-        )
-        if diff_output:
         parser_cases.append(
             result.DiffCasesConfig(
                 outputs=[