Update app.py

app.py

@@ -68,7 +68,7 @@ async def add_exp_hub(ctx):
             members_with_role = [member.id for member in guild.members if role in member.roles]
             for member_id in members_with_role:            
             """
-            column_values = worksheet2.col_values('C')
+            column_values = worksheet2.col_values(3)
             for value in column_values:
                 row_number = column_values.index(value) + 1
                 hf_user_name = value