Update app.py

app.py

@@ -18,7 +18,8 @@ model2endpoint = {
     "zephyr-7b-beta": "https://api-inference.huggingface.co/models/HuggingFaceH4/zephyr-7b-beta",
     "mistral-7b-instruct-v0.2": "https://api-inference.huggingface.co/models/mistralai/Mistral-7B-Instruct-v0.2",
     "mixtral-8x7b-instruct-v0.1": "https://api-inference.huggingface.co/models/mistralai/Mixtral-8x7B-Instruct-v0.1",
-    "gemma-7b-it": "https://api-inference.huggingface.co/models/google/gemma-7b-it"
+    "gemma-7b-it": "https://api-inference.huggingface.co/models/google/gemma-7b-it",
+    "llama-7b-chat": "https://api-inference.huggingface.co/models/meta-llama/Llama-2-7b-chat-hf"
 }
 model_names = list(model2endpoint.keys())