how to fix bug?

[Bubalo1234]

bug (replit):

Traceback (most recent call last):
  File "main.py", line 10, in <module>
    async def on_ready():
TypeError: event() missing 1 required positional argument: 'coro'

code (replit):

import os

token = os.environ['token']

import discord

client = discord.Client

@client.event
async def on_ready():
  print("We have logged in as {0.user}".format(client))

@client.event
async def on_message(message):
  if message.author == client.user:
    return
  
  if message.content.startswith("$hello"):
    await message.channel.send("Hello!")

client.run(token)

pls help I want to create bot

[CaedenPH]

return

You didn't call discord.Client(), you left it uninitialised

[Rapptz]

You did not construct the client instance. Please check the example to see how to use the library.