text: import sys
  import traceback
  
  from discord.ext import commands
  
  
  class ErrorHandler(commands.Cog):
      def __init__(self, bot):
          self.bot = bot
  
      async def on_command_error(self, ctx, error):
          """ Handle command errors more gracefully """
  
          if isinstance(error, commands.CommandNotFound):
              return
  
          if isinstance(error, commands.NotOwner):
              return await ctx.error('Error', description='Sorry, only the owner of qtbot may run this command.')
  
          if isinstance(error, commands.CommandOnCooldown):
              return await ctx.error('Error',
                                     description='This command is on cooldown. '
                                                 f'Please retry in `{error.retry_after:.0f}` second(s).')
  
          if isinstance(error, commands.MissingRequiredArgument):
              return await ctx.error('Error', description=f'You didn\'t include `{error.param}`.')
  
          if isinstance(error, commands.MissingPermissions):
              return await ctx.error('Error',
                                     description='Sorry you need permissions '
                                                 f'`{",".join(error.missing_perms)}` to do that.')
  
          if isinstance(error, commands.BotMissingPermissions):
              return await ctx.error('Error',
                                     description='Sorry I need permissions '
                                                 f'`{", ".join(error.missing_perms)}` to do that.')
  
          print(f'Ignoring exception in command {ctx.command}:', file=sys.stderr)
          traceback.print_exception(type(error), error, error.__traceback__, file=sys.stderr)
  
  
  def setup(bot):
      bot.add_cog(ErrorHandler(bot))
  