fix style

Author: rmorshea

src/idom/testing/display.py

@@ -3,7 +3,6 @@
 from contextlib import AsyncExitStack
 from types import TracebackType
 from typing import Any
-from urllib.parse import urljoin
 
 from playwright.async_api import (
     Browser,

tests/test_backend/test_utils.py

@@ -1,4 +1,3 @@
-import asyncio
 import threading
 import time
 from contextlib import ExitStack
@@ -11,7 +10,6 @@
 from idom.backend.utils import run as sync_run
 from idom.backend.utils import traversal_safe_path
 from idom.sample import SampleApp as SampleApp
-from tests.tooling.loop import open_event_loop
 
 
 @pytest.fixture
@@ -28,8 +26,6 @@ def test_find_available_port():
 
 
 async def test_run(page: Page, exit_stack: ExitStack):
-    loop = exit_stack.enter_context(open_event_loop(as_current=False))
-
     host = "127.0.0.1"
     port = find_available_port(host)
     url = f"http://{host}:{port}"