old_contents: """
  Commands used to check the health of the bot.
  """
  import datetime
  from time import monotonic
  
  from dog import Cog
  
  from discord.ext import commands
  
  
  class Health(Cog):
      @commands.command()
      async def ping(self, ctx):
          """ Pong! """
  
          # measure gateway delay
          before = monotonic()
          msg = await ctx.send('\u200b')
          after = monotonic()
  
          pong_ws = round(ctx.bot.latency * 1000, 2)
          pong_rest = round((after - before) * 1000, 2)
          pong_gateway_lag = round((msg.created_at - datetime.datetime.utcnow()).total_seconds() * 1000, 2)
  
          pong = f'Pong! WS: {pong_ws}ms, REST: {pong_rest}ms, GW lag: {pong_gateway_lag}ms'
          await msg.edit(content=pong)
  
  
  def setup(bot):
      bot.add_cog(Health(bot))
  
new_contents: """
  Commands used to check the health of the bot.
  """
  import datetime
  from time import monotonic
  
  from dog import Cog
  
  from discord.ext import commands
  
  
  class Health(Cog):
      @commands.command()
      async def ping(self, ctx):
          """ Pong! """
  
          # measure gateway delay
          before = monotonic()
          msg = await ctx.send('\u200b')
          after = monotonic()
  
          pong_ws = round(ctx.bot.latency * 1000, 2)
          pong_rest = round((after - before) * 1000, 2)
          pong_gateway_lag = round((datetime.datetime.utcnow() - msg.created_at).total_seconds() * 1000, 2)
  
          pong = f'Pong! WS: {pong_ws}ms, REST: {pong_rest}ms, GW lag: {pong_gateway_lag}ms'
          await msg.edit(content=pong)
  
  
  def setup(bot):
      bot.add_cog(Health(bot))
  
subject: Fix gateway lag being negative in d?ping