Update app.py

app.py

@@ -10,12 +10,12 @@ import base64
 # Load environment variables
 load_dotenv()
 
-icons = {"assistant": "./assistant.jpeg", "user": "⛷️"}
+icons = {"assistant": "./assistant.jpeg", "user": "👽"}
 
 # Configure the Llama index settings
 Settings.llm = HuggingFaceInferenceAPI(
-    model_name="google/gemma-1.1-7b-it",
-    tokenizer_name="google/gemma-1.1-7b-it",
+    model_name="mistralai/Mistral-7B-Instruct-v0.2",
+    tokenizer_name="mistralai/Mistral-7B-Instruct-v0.2",
     context_window=3000,
     token=os.getenv("HF_TOKEN"),
     max_new_tokens=512,