Update app.py

app.py

@@ -151,11 +151,11 @@ async def on_message(message):
         pages = ["hi", "hi2"]
         embed = discord.Embed(title=titles[page], description=pages[page])
         msg = await message.reply(embed=embed)
-        msg.add_reaction("◀️")
-        msg.add_reaction("▶️")
+        await msg.add_reaction("◀️")
+        await msg.add_reaction("▶️")
         while True:
            try:
-               reaction, _ = await bot.wait_for('reaction_add', timeout= 20.0, check=check)
+               reaction, _ = await client.wait_for('reaction_add', timeout= 20.0, check=check)
                if reaction.emoji == '◀️' and page > 0:
                    page -= 1
                    embed = discord.Embed(title=titles[page], description=pages[page])