Update discord.py

[ghost]

Created websocket connected to wss://gateway.discord.gg?encoding=json&v=6&compress=zlib-stream
Shard ID None has sent the IDENTIFY payload.
Shard ID None has connected to Gateway: ["gateway-prd-main-0bkn",{"micros":90720,"calls":["discord-sessions-prd-1-7",{"micros":82657,"calls":["start_session",{"micros":46454,"calls":[]},"guilds_connect",{"micros":2,"calls":[]},"presence_connect",{"micros":5152,"calls":[]}]}]}] (Session ID: ade04af7263cef5eda33afd18c3958c4).
Processed a chunk for 480 members in guild ID 517336554847338500.
Logged in to Discord as stellacore 558549062299942912
Ignoring exception in on_ready
Traceback (most recent call last):
File "/home/blood/.local/lib/python3.6/site-packages/discord/client.py", line 270, in _run_event
await coro(*args, **kwargs)
File "/home/blood/CubeWorld/scripts/discord.py", line 48, in on_ready
for server in self.servers:
AttributeError: 'DiscordClient' object has no attribute 'servers'