old_contents: import asyncio
  import inspect
  import os
  import pathlib
  import socket
  
  import aiohttp
  import pytest
  from aiohttp import web
  
  from . import medias
  
  
  @pytest.fixture
  def event_loop():
      loop = asyncio.get_event_loop()
      if loop.is_closed():
          return asyncio.new_event_loop()
      else:
          return loop
  
  
  @pytest.fixture(name='medias')
  def fixture_medias(event_loop):
      if os.environ.get('FORCE_IPV4', False):
          connector = aiohttp.TCPConnector(family=socket.AF_INET)
      else:
          connector = aiohttp.TCPConnector()
  
      async def download():
          async with aiohttp.ClientSession(loop=event_loop,
                                           connector=connector) as session:
              await asyncio.gather(*[media.download(session=session)
                                     for media in medias.values()])
  
      event_loop.run_until_complete(download())
      return medias
  
  
  class AppMedias(web.Application):
  
      def __init__(self):
          super().__init__()
  
          file = pathlib.Path(inspect.getfile(inspect.currentframe()))
          self.router.add_static('/', str(file.parent / "cache"))
  
          self.srv = None
          self.handler = None
  
      def run(self, sock):
          loop = asyncio.get_event_loop()
          self.handler = self.make_handler()
          f = loop.create_server(self.handler, sock=sock)
          self.srv = loop.run_until_complete(f)
  
      async def stop(self):
          try:
              await self.srv.close()
          except:
              pass
          finally:
              await self.srv.wait_closed()
          await self.shutdown()
          await self.handler.shutdown(1.0)
          await self.cleanup()
  
  
  @pytest.fixture
  def port(event_loop):
      app = AppMedias()
  
      sock = socket.socket()
      sock.bind(("127.0.0.1", 0))
      port = sock.getsockname()[1]
  
      app.run(sock)
  
      yield port
  
      event_loop.run_until_complete(app.stop())
      sock.close()
  
  
  @pytest.fixture
  def url(medias, port):
      return "http://127.0.0.1:%d/%s" % (port, medias['lady_peony'].filename)
  
new_contents: import asyncio
  import inspect
  import os
  import pathlib
  import socket
  
  import aiohttp
  import pytest
  from aiohttp import web
  
  from . import medias
  
  
  @pytest.fixture
  def event_loop():
      loop = asyncio.get_event_loop()
      if loop.is_closed():
          return asyncio.new_event_loop()
      else:
          return loop
  
  
  @pytest.fixture(name='medias')
  def fixture_medias(event_loop):
      if os.environ.get('FORCE_IPV4', False):
          connector = aiohttp.TCPConnector(family=socket.AF_INET)
      else:
          connector = aiohttp.TCPConnector()
  
      async def download():
          async with aiohttp.ClientSession(loop=event_loop,
                                           connector=connector) as session:
              await asyncio.gather(*[media.download(session=session)
                                     for media in medias.values()])
  
      event_loop.run_until_complete(download())
      return medias
  
  
  class AppMedias(web.Application):
  
      def __init__(self):
          super().__init__()
  
          file = pathlib.Path(inspect.getfile(inspect.currentframe()))
          self.router.add_static('/', str(file.parent / "cache"))
  
          self.srv = None
          self.handler = None
  
      def run(self, sock):
          loop = asyncio.get_event_loop()
          self.handler = self.make_handler()
          f = loop.create_server(self.handler, sock=sock)
          self.srv = loop.run_until_complete(f)
  
      async def stop(self):
          try:
              await self.srv.close()
          except Exception:
              pass
          finally:
              await self.srv.wait_closed()
          await self.shutdown()
          await self.handler.shutdown(1.0)
          await self.cleanup()
  
  
  @pytest.fixture
  def port(event_loop):
      app = AppMedias()
  
      sock = socket.socket()
      sock.bind(("127.0.0.1", 0))
      port = sock.getsockname()[1]
  
      app.run(sock)
  
      yield port
  
      event_loop.run_until_complete(app.stop())
      sock.close()
  
  
  @pytest.fixture
  def url(medias, port):
      return "http://127.0.0.1:%d/%s" % (port, medias['lady_peony'].filename)
  
subject: replace bare except