Add trigger typing to random message

bot.py

@@ -117,6 +117,7 @@ async def on_message(message: discord.Message):
 @bot.command(name='random_message', brief='Select a random message from a channel')
 async def random_message_command(ctx: commands.Context, channel: Optional[discord.TextChannel] = None,
                                  max_cnt: int = 100):
+    typing = ctx.channel.trigger_typing()
     if channel is None:
         channel = ctx.channel
     messages = await channel.history(limit=max_cnt).flatten()
@@ -127,6 +128,7 @@ async def random_message_command(ctx: commands.Context, channel: Optional[discor
     )
     embed.set_author(name=author.display_name, icon_url=author.avatar_url)
     embed.set_footer(text="random message from #" + channel.name + " out of " + str(len(messages)) + " messages")
+    await typing
     await ctx.channel.send(embed=embed)