Update app.py

app.py

@@ -75,7 +75,7 @@ def generate_synthetic_data(description, columns):
 
     # Call Mixtral model to generate data
     response = requests.post("https://api-inference.huggingface.co/models/mistralai/Mixtral-8x7B-Instruct-v0.1", 
-                             headers={"Authorization": f"Bearer {token}"}, json=payload)
+                             headers={"Authorization": f"Bearer {hf_token}"}, json=payload)
     
     if response.status_code == 200:
         return response.json()[0]["generated_text"]