fix(shard): 🐛 Fix not found error in get_or_fetch_channel().

payphone/bot.py

@@ -123,7 +123,11 @@ class Payphone(commands.AutoShardedBot):
         channel = self.get_channel(channel_id)
 
         if channel is None:
-            return await self.fetch_channel(channel_id)
+            try:
+                return await self.fetch_channel(channel_id)
+
+            except discord.errors.NotFound:
+                return None
 
         return channel
 
@@ -221,14 +225,10 @@ class Payphone(commands.AutoShardedBot):
             )
 
         for mention in message.role_mentions:
-            content = content.replace(
-                f"<@{mention.id}>", f"@**{mention.name}**"
-            )
+            content = content.replace(f"<@{mention.id}>", f"@**{mention.name}**")
 
         for mention in message.channel_mentions:
-            content = content.replace(
-                f"<@{mention.id}>", f"#**{mention.name}**"
-            )
+            content = content.replace(f"<@{mention.id}>", f"#**{mention.name}**")
 
         return content