old_contents: import pytest
  
  import aiohttp
  import asyncio
  from aiohttp import web
  from aiohttp.client import _RequestContextManager
  from collections.abc import Coroutine
  
  
  @pytest.mark.run_loop
  async def test_await(create_server, loop):
  
      async def handler(request):
          return web.HTTPOk()
  
      app, url = await create_server()
      app.router.add_route('GET', '/', handler)
      resp = await aiohttp.get(url+'/', loop=loop)
      assert resp.status == 200
      assert resp.connection is not None
      await resp.release()
      assert resp.connection is None
  
  
  @pytest.mark.run_loop
  async def test_response_context_manager(create_server, loop):
  
      async def handler(request):
          return web.HTTPOk()
  
      app, url = await create_server()
      app.router.add_route('GET', '/', handler)
      resp = await aiohttp.get(url+'/', loop=loop)
      async with resp:
          assert resp.status == 200
          assert resp.connection is not None
      assert resp.connection is None
  
  
  @pytest.mark.run_loop
  async def test_client_api_context_manager(create_server, loop):
  
      async def handler(request):
          return web.HTTPOk()
  
      app, url = await create_server()
      app.router.add_route('GET', '/', handler)
  
      async with aiohttp.get(url+'/', loop=loop) as resp:
          assert resp.status == 200
          assert resp.connection is not None
      assert resp.connection is None
  
  
  def test_ctx_manager_is_coroutine():
      assert issubclass(_RequestContextManager, Coroutine)
  
new_contents: import pytest
  
  import aiohttp
  from aiohttp import web
  from aiohttp.client import _RequestContextManager
  from collections.abc import Coroutine
  
  
  @pytest.mark.run_loop
  async def test_await(create_server, loop):
  
      async def handler(request):
          return web.HTTPOk()
  
      app, url = await create_server()
      app.router.add_route('GET', '/', handler)
      resp = await aiohttp.get(url+'/', loop=loop)
      assert resp.status == 200
      assert resp.connection is not None
      await resp.release()
      assert resp.connection is None
  
  
  @pytest.mark.run_loop
  async def test_response_context_manager(create_server, loop):
  
      async def handler(request):
          return web.HTTPOk()
  
      app, url = await create_server()
      app.router.add_route('GET', '/', handler)
      resp = await aiohttp.get(url+'/', loop=loop)
      async with resp:
          assert resp.status == 200
          assert resp.connection is not None
      assert resp.connection is None
  
  
  @pytest.mark.run_loop
  async def test_client_api_context_manager(create_server, loop):
  
      async def handler(request):
          return web.HTTPOk()
  
      app, url = await create_server()
      app.router.add_route('GET', '/', handler)
  
      async with aiohttp.get(url+'/', loop=loop) as resp:
          assert resp.status == 200
          assert resp.connection is not None
      assert resp.connection is None
  
  
  def test_ctx_manager_is_coroutine():
      assert issubclass(_RequestContextManager, Coroutine)
  
subject: Fix flake8 error