Bot leaving and not playing after rejoining

[Salagean-Mircea-Codrin-Ioan]

When the bot leaves and rejoins i get an error when i whant him to play a song: discord.ext.commands.errors.CommandInvokeError: Command raised an exception: ClientException: Not connected to voice.

[Salagean-Mircea-Codrin-Ioan]

@client.command()
async def stop(ctx):
player = music.get_player(guild_id=ctx.guild.id)
await player.stop()
await ctx.send("Stopped")

@client.command()
async def leave(ctx):
player = music.get_player(guild_id=ctx.guild.id)
await player.stop()
await ctx.voice_client.disconnect()
await ctx.send("Stopped")

Use this