Update app.py

app.py

@@ -1,35 +1,12 @@
 # -*- coding: utf-8 -*-
-"""AdvancedRAG_CrossEncoder_Reranker_Zephyr7bAlpha_.ipynb
-
-Automatically generated by Colaboratory.
-
-Original file is located at
-    https://colab.research.google.com/drive/1cpw-00tHts6d-z-yRAwu8SDPD6calQvB
-"""
-
-pip install -q pypdf
-pip install -q python-dotenv
-pip install -q llama-index
-pip install -q gradio
-pip install einops
-pip install accelerate
-pip install sentence-transformers
-pip install cohere
-pip install --upgrade huggingface_hub
-
-CMAKE_ARGS="-DLLAMA_CUBLAS=on" FORCE_CMAKE=1 pip install  llama-cpp-python --no-cache-dir
-
 from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext
 from llama_index.llms import HuggingFaceLLM
 import torch
+from llama_index.llms import LlamaCPP
+from llama_index.llms.llama_utils import messages_to_prompt, completion_to_prompt
 
 documents = SimpleDirectoryReader("/content/data").load_data()
 
-#intialize our custom LLM
-import torch
-
-from llama_index.llms import LlamaCPP
-from llama_index.llms.llama_utils import messages_to_prompt, completion_to_prompt
 llm = LlamaCPP(
     # You can pass in the URL to a GGML model to download it automatically
     model_url='https://huggingface.co/TheBloke/zephyr-7B-alpha-GGUF/resolve/main/zephyr-7b-alpha.Q5_K_M.gguf',