@staticmethod
    def chunks(lst: list, n):
            for i in range(0, len(lst), n):
                yield lst[i:i + n]
    async def callback(self, interaction: discord.Interaction):
            cogs = self.bot.cogs
            cogs = list(cogs.values())
            await interaction.response.defer()
            value = self.values[0]
            if value == "Moderation":
                        no = 0
                        _pages = []
                        buttons = [
                            PaginatorButton("first", label="<<-", style=discord.ButtonStyle.blurple),
                            PaginatorButton("prev", label="<-", style=discord.ButtonStyle.green),
                            PaginatorButton("page_indicator", style=discord.ButtonStyle.gray, disabled=True),
                            PaginatorButton("next", label="->", style=discord.ButtonStyle.green),
                            PaginatorButton("last", label="->>", style=discord.ButtonStyle.blurple),
                        ]
                        for j in cogs:
                            for p in self.chunks(j.walk_commands(), 5):
                                embed = discord.Embed(title="Commands", colour=discord.Color.random())
                                for k in p:
                                    no += 1
                                    embed.add_field(name=f"{no}.",
                                                    value=f"Command : {k.qualified_name}",
                                                    inline=True)
                            _pages.append(embed)
                            if len(_pages) > 1:
                                paginator = Paginator(_pages, author_check=True, disable_on_timeout=True, use_default_buttons=False, custom_buttons=buttons)
                                await paginator.respond(interaction, ephemeral=True)
                            else:
                                await interaction.followup.send(embed=_pages[0], ephemeral=True)
                                
                                

#Error

for i in range(0, len(lst), n):
TypeError: object of type 'generator' has no len()