Update app.py

app.py

@@ -15,18 +15,20 @@ You are a Q&A assistant. Your goal is to answer questions as
 accurately as possible based on the instructions and context provided.
 """
 
+embed_model= HuggingFaceEmbeddings(model_name="sentence-transformers/all-mpnet-base-v2")
+
 llm = HuggingFaceLLM(
     context_window=4096,
     max_new_tokens=256,
     generate_kwargs={"temperature": 0.1, "do_sample": True},
     system_prompt=system_prompt,
-    tokenizer_name="anasmkh/customized_llama3.1_8b",
-    model_name="anasmkh/customized_llama3.1_8b",
+    tokenizer_name="meta-llama/Meta-Llama-3-8B",
+    model_name="meta-llama/Meta-Llama-3-8B",
     device_map="auto",
     model_kwargs={"torch_dtype": torch.float16 }
 )
 
-embed_model= HuggingFaceEmbeddings(model_name="sentence-transformers/all-mpnet-base-v2")
+
 
 
 Settings.llm = llm