fix: remove unused variable in repl test

tests/timmy/test_cli.py

@@ -229,7 +229,7 @@ def test_chat_stdin_empty_exits_with_error():
 def test_repl_exits_on_ctrl_c():
     """repl should exit gracefully on Ctrl+C (KeyboardInterrupt)."""
     with patch("builtins.input", side_effect=KeyboardInterrupt):
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     assert result.exit_code == 0
     assert "Goodbye" in result.output
@@ -238,7 +238,7 @@ def test_repl_exits_on_ctrl_c():
 def test_repl_exits_on_ctrl_d():
     """repl should exit gracefully on Ctrl+D (EOFError)."""
     with patch("builtins.input", side_effect=EOFError):
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     assert result.exit_code == 0
     assert "Goodbye" in result.output
@@ -247,7 +247,7 @@ def test_repl_exits_on_ctrl_d():
 def test_repl_exits_on_quit_command():
     """repl should exit when user types 'quit'."""
     with patch("builtins.input", return_value="quit"):
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     assert result.exit_code == 0
     assert "Goodbye" in result.output
@@ -256,7 +256,7 @@ def test_repl_exits_on_quit_command():
 def test_repl_exits_on_exit_command():
     """repl should exit when user types 'exit'."""
     with patch("builtins.input", return_value="exit"):
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     assert result.exit_code == 0
     assert "Goodbye" in result.output
@@ -269,7 +269,7 @@ def test_repl_sends_message_to_chat():
         patch("timmy.session.chat") as mock_chat,
     ):
         mock_chat.return_value = "Hi there!"
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     mock_chat.assert_called()
     assert result.exit_code == 0
@@ -282,7 +282,7 @@ def test_repl_skips_empty_input():
         patch("timmy.session.chat") as mock_chat,
     ):
         mock_chat.return_value = "Response"
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     # chat should only be called once (for "hello"), empty lines are skipped, exit breaks
     assert mock_chat.call_count == 1
@@ -309,7 +309,7 @@ def test_repl_handles_chat_errors():
         patch("timmy.session.chat") as mock_chat,
     ):
         mock_chat.side_effect = Exception("Chat error")
-        result = runner.invoke(app, ["repl"])
+        runner.invoke(app, ["repl"])
 
     assert result.exit_code == 0
     assert "Error" in result.output