Update app.py

app.py

@@ -37,7 +37,7 @@ st.title("Maqueta")
 llm = HuggingFaceEndpoint(repo_id='mistralai/Mistral-7B-v0.1', 
                           max_length=128, 
                           temperature=0.5,
-                          higgingfacehub_api_token = os.environ["HUGGINGFACE_KEY"])
+                          higgingfacehub_api_token = os.environ["HUGGINGFACEHUB_API_TOKEN"])
 
 #memory