fix(emojiinfo): use aiohttp.ClientSession

emojiinfo/emojiinfo.py

@@ -1,6 +1,7 @@
 import io
 from typing import Any, Literal
 
+import aiohttp
 import discord
 from colorthief import ColorThief
 from red_commons.logging import RedTraceLogger, getLogger
@@ -41,10 +42,11 @@ class EmojiInfo(commands.Cog):
         return emoji_url
 
     async def fetch_primary_color(self, emoji_url: str) -> discord.Color | None:
-        async with self.bot.http_session.get(emoji_url) as response:
-            if response.status != 200:
-                return None
-            image = await response.read()
+        async with aiohttp.ClientSession() as session:
+            async with session.get(emoji_url) as response:
+                if response.status != 200:
+                    return None
+                image = await response.read()
         dominant_color = ColorThief(io.BytesIO(image)).get_color(quality=1)
         color = discord.Color.from_rgb(*dominant_color)
         return color
@@ -52,6 +54,7 @@ class EmojiInfo(commands.Cog):
     @commands.hybrid_command(name="emoji")
     async def emoji(self, ctx: commands.Context, emoji: str, ephemeral: bool = False) -> None:
         """Retrieve information about an emoji."""
+        await ctx.defer(ephemeral=ephemeral)
         emoji: discord.PartialEmoji = discord.PartialEmoji.from_str(value=emoji)
         if emoji.is_unicode_emoji():
             emoji_url = await self.fetch_twemoji(unicode_emoji=emoji.name)