simple python discord bot - starting binary

import asyncio
import discord
import os
from discord.ext import commands
from discord.ext import commands
from discord.ext.commands import has_permissions, CheckFailure
import shlex, subprocess

bot = commands.Bot(command_prefix="!", pm_help=True)

class ServerCommands(commands.Cog):
    @commands.command(name='start',
            brief="Starts the arma server",
            pass_context=True)
    @has_permissions(administrator=True)
    async def start(self, ctx):
        await ctx.send("Starting Server...")
        subprocess.call(shlex.split('"D:\Server\Program Files (x86)\arma3server_x64.exe" -port=2302 "-config=D:\Server\arma3\TADST\default\TADST_config.cfg" "-cfg=D:\Server\arma3\TADST\default\TADST_basic.cfg" "-profiles=D:\Server\arma3\TADST\default" -name=default -filePatching'))

    @commands.command(name='stop',
            brief="Stop the arma server",
            pass_context=True)
    @has_permissions(administrator=True)
    async def stop(self, ctx):
        os.system('taskkill /f /im "arma3server_x64.exe"')
        await ctx.send("Stop the Server.")

@bot.event
async def on_ready():

    print('Logged in as')
    print(bot.user.name)
    print(bot.user.id)
    print('------------')

def main():
    bot.add_cog(ServerCommands(bot))
    bot.run("ENTER_TOKEN")

if __name__ == '__main__':
    main()



#make bot join server:
# https://discordapp.com/oauth2/authorize?client_id=xxxxxx&scope=bot

#https://discordpy.readthedocs.io/en/rewrite/ext/commands/api.html#event-reference