fix linting on tests

Author: alexzhang13

tests/test_local_repl.py

@@ -243,4 +243,3 @@ def test_simulated_rlm_completions_functions_not_preserved(self):
         assert "NameError" in result.stderr
         assert "my_helper" in result.stderr
         completion_2_env.cleanup()
-

tests/test_local_repl_persistent.py

@@ -198,10 +198,12 @@ def test_full_persistent_session_simulation(self):
         assert result.stderr == ""
         assert repl.locals["profit"] == 600
 
-        repl.add_history([
-            {"role": "user", "content": "What were the sales?"},
-            {"role": "assistant", "content": "Sales were $1000"},
-        ])
+        repl.add_history(
+            [
+                {"role": "user", "content": "What were the sales?"},
+                {"role": "assistant", "content": "Sales were $1000"},
+            ]
+        )
 
         code = """
 summary = f"Sales: {context_0}, Costs: {context_1}, Profit: {profit}"