Update app.py

app.py

@@ -113,7 +113,7 @@ def initialize_llm():
         # Using Mistral model through Hugging Face Hub
         llm = HuggingFaceHub(
             repo_id="mistralai/Mistral-7B-Instruct-v0.1",
-            huggingfacehub_api_token=os.environ.get('HUGGINGFACE_API_TOKEN'),
+            huggingfacehub_api_token=os.environ.get('HF_TOKEN'),
             model_kwargs={
                 "temperature": 0.7,
                 "max_new_tokens": 512,