Update app.py

app.py

@@ -4,13 +4,15 @@ import traceback
 import sys
 import io
 import re
+import os
 from huggingface_hub import InferenceClient
 
 # ─────────────────────────────────────────────
 # CONFIG
 # ─────────────────────────────────────────────
 MODEL_ID = "Qwen/Qwen2.5-72B-Instruct"
-client = InferenceClient(hf_token)  # uses HF_TOKEN secret from Space settings
+HF_TOKEN = os.environ.get("HF_TOKEN")  # set this in Space Settings → Secrets
+client = InferenceClient(model=MODEL_ID, token=HF_TOKEN)
 
 # ─────────────────────────────────────────────
 # STEP 1 — LOAD EXCEL