Update app.py

app.py

@@ -59,7 +59,7 @@ def calculate_xp(level):
 async def add_exp_hub(ctx, discord_user_id):
     try:
         cell = worksheet.find(str(discord_user_id))
-        if cell.col = 5
+        if cell.col == 5
         # find hub_user_name
         hf_user_name = worksheet.cell(cell.row, cell.col-2).value
         if hf_user_name: