Update rag.py

app/rag.py

@@ -43,8 +43,7 @@ class ChatPDF:
         )
 
         llm = LlamaCPP(
-            # https://huggingface.co/MaziyarPanahi/Qwen2-1.5B-Instruct-GGUF/resolve/main/Qwen2-1.5B-Instruct.Q4_K_M.gguf
-            model_url="https://huggingface.co/Qwen/Qwen2-0.5B-Instruct-GGUF/resolve/main/qwen2-0_5b-instruct-fp16.gguf",
+            model_url="https://huggingface.co/MaziyarPanahi/Qwen2-1.5B-Instruct-GGUF/resolve/main/Qwen2-1.5B-Instruct.Q4_K_M.gguf",
             temperature=0.1,
             max_new_tokens=256,
             context_window=3900, #32k