Bot leaving and not playing after rejoining

[salagean-mircea-30125]

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-30125]

@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")

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