dakiny-bot#83 fix the view points bug when someone isn't in the guild anymore.

cogs/commands/view.py

@@ -264,16 +264,34 @@ def create_points_string(interaction: nextcord.Interaction, quarters: any, point
             sorted_non_members = None
         sorted_members = members.sort_values(
             by="UserId",
-            key=lambda user_ids: (
-                [interaction.guild.get_member(int(user_id)).display_name.lower() for user_id in user_ids]
-            ),
+            key=lambda user_ids: ([member_lambda_string(interaction.guild, user_id) for user_id in user_ids]),
         )
         sorted_all = pd.concat([sorted_members, sorted_non_members], ignore_index=True, sort=False)
         for row in sorted_all.itertuples():
-            userid = row.UserId
             points = row.EventPoints if point_type == PointType.EVENT else row.ClanPoints
             discord_member = row.DiscordMember
             if points > 0:
-                content += f"<@{userid}>: {points}\n" if discord_member else f"{userid}: {points}\n"
+                content += f"<@{row.UserId}>: {points}\n" if discord_member else f"{row.UserId}: {points}\n"
         content += "\n"
     return content
+
+
+def member_lambda_string(guild: nextcord.Guild, user_id: int) -> str:
+    """
+    Finds a user in a guild and returns the display name.
+
+    Returns the user id in string form if user is no longer in guild.
+    I don't know if I like this name very much.
+
+    Args:
+        guild (nextcord.Guild): Guild object to find the user in.
+        user_id (int): User id to get display name of.
+
+    Returns:
+        str: String to use for sorting.
+    """
+    try:
+        return guild.get_member(int(user_id)).display_name.lower()
+    except AttributeError:
+        # The user is no longer a part of the guild
+        return str(user_id)