old_contents: import asyncio
  
  import esipy
  from discord.ext import commands
  from requests.adapters import DEFAULT_POOLSIZE
  
  from utils.log import get_logger
  
  ESI_SWAGGER_JSON = 'https://esi.evetech.net/dev/swagger.json'
  
  
  class EsiCog:
      _esi_app_task: asyncio.Task = None
      _semaphore = asyncio.Semaphore(DEFAULT_POOLSIZE)
  
      def __init__(self, bot: commands.Bot):
          logger = get_logger(__name__, bot)
  
          if self._esi_app_task is None:
              logger.info("Creating esipy App...")
              self._esi_app_task = bot.loop.run_in_executor(
                  None, self._create_esi_app)
              self._esi_app_task.add_done_callback(
                  lambda f: logger.info("esipy App created"))
  
      def __unload(self):
          self._esi_app_task.cancel()
  
      async def get_esi_app(self) -> asyncio.Task:
          return await self._esi_app_task
  
      def _create_esi_app(self):
          return esipy.App.create(url=ESI_SWAGGER_JSON)
  
      async def esi_request(self, loop, client, operation):
          async with self._semaphore:
              return await loop.run_in_executor(None, client.request, operation)
  
new_contents: import asyncio
  
  import esipy
  from discord.ext import commands
  from requests.adapters import DEFAULT_POOLSIZE
  
  from utils.log import get_logger
  
  ESI_SWAGGER_JSON = 'https://esi.evetech.net/dev/swagger.json'
  
  
  class EsiCog:
      _esi_app_task: asyncio.Task = None
      _semaphore = asyncio.Semaphore(DEFAULT_POOLSIZE)
  
      def __init__(self, bot: commands.Bot):
          logger = get_logger(__name__, bot)
  
          if EsiCog._esi_app_task is None:
              logger.info("Creating esipy App...")
              EsiCog._esi_app_task = bot.loop.run_in_executor(
                  None, self._create_esi_app)
              EsiCog._esi_app_task.add_done_callback(
                  lambda f: logger.info("esipy App created"))
  
      async def get_esi_app(self) -> asyncio.Task:
          return await self._esi_app_task
  
      def _create_esi_app(self):
          return esipy.App.create(url=ESI_SWAGGER_JSON)
  
      async def esi_request(self, loop, client, operation):
          async with self._semaphore:
              return await loop.run_in_executor(None, client.request, operation)
  
subject: Fix reference to class attribute