old_contents: from discord.ext import commands
  import discord
  
  class HybridConverter(commands.Converter):
      async def convert(self, ctx, argument):
          got_target = None
          all_users = ctx.bot.users
          all_members = ctx.guild.members
  
          got_target = ([x for x in all_members if str(x.id) == str(argument)] or
                        [x for x in all_members if x.mention == str(argument)] or
                        [x for x in all_members if str(x) == str(argument)] or
                        [x for x in all_members if x.name == str(argument)] or
                        [x for x in all_members if x.nick == str(argument)] or
                        [x for x in all_users if str(x.id) == str(argument)] or
                        [x for x in all_users if x.mention == str(argument)] or
                        [x for x in all_users if str(x) == str(argument)] or
                        [x for x in all_users if x.name == str(argument)] or
                        [x for x in all_members if str(x).lower() == str(argument).lower()] or
                        [x for x in all_members if x.name.lower() == str(argument).lower()] or
                        [x for x in all_members if x.nick.lower() == str(argument).lower()] or
                        [x for x in all_users if str(x).lower() == str(argument).lower()] or
                        [x for x in all_users if x.name.lower() == str(argument).lower()] or
                        None)
          print(got_target)
          if got_target:
              return got_target[0]
          else:
              try:
                  return await ctx.bot.get_user_info(int(argument))
              except (ValueError, discord.NotFound):
                  raise commands.BadArgument(f"Member \"{argument}\" not found")
  
new_contents: from discord.ext import commands
  import discord
  
  class HybridConverter(commands.Converter):
      async def convert(self, ctx, argument):
          got_target = None
          all_users = ctx.bot.users
          all_members = ctx.guild.members
  
          got_target = ([x for x in all_members if str(x.id) == str(argument)] or
                        [x for x in all_members if x.mention == str(argument)] or
                        [x for x in all_members if str(x) == str(argument)] or
                        [x for x in all_members if x.name == str(argument)] or
                        [x for x in all_members if x.nick == str(argument)] or
                        [x for x in all_users if str(x.id) == str(argument)] or
                        [x for x in all_users if x.mention == str(argument)] or
                        [x for x in all_users if str(x) == str(argument)] or
                        [x for x in all_users if x.name == str(argument)] or
                        [x for x in all_members if str(x).lower() == str(argument).lower()] or
                        [x for x in all_members if x.name.lower() == str(argument).lower()] or
                        [x for x in all_members if str(x.nick).lower() == str(argument).lower()
                         and x.nick is not None] or
                        [x for x in all_users if str(x).lower() == str(argument).lower()] or
                        [x for x in all_users if x.name.lower() == str(argument).lower()] or
                        None)
          print(got_target)
          if got_target:
              return got_target[0]
          else:
              try:
                  return await ctx.bot.get_user_info(int(argument))
              except (ValueError, discord.NotFound):
                  raise commands.BadArgument(f"Member \"{argument}\" not found")
  
subject: test fix