Update app.py

app.py

@@ -77,7 +77,7 @@ def main():
                         
                     llm = CTransformers(
                     # model = "TheBloke/Mistral-7B-Instruct-v0.2-GGUF",
-                    model= "TheBloke/Llama-2-7B-Chat-GGUF,
+                    model= "TheBloke/Llama-2-7B-Chat-GGUF",
                     model_file = "llama-2-7b-chat.Q3_K_S.gguf",
                     model_type="llama",
                     max_new_tokens = 300,