Update app.py

app.py

@@ -32,7 +32,7 @@ def configure_llama_model():
     return llm
 
 def configure_embeddings():
-    embed_model = HuggingFaceEmbeddings(model_name="all-MiniLM-L6-v2")
+    embed_model = embed_model = LangchainEmbedding(HuggingFaceEmbeddings(model_name='sentence-transformers/all-MiniLM-L6-v2'))
     return embed_model
 
 
@@ -47,8 +47,7 @@ def initialize_vector_store_index(data_path, service_context):
     loader = PyPDFLoader("./Cloudflare.pdf")
     pages = loader.load_and_split()
     # Load the index from a file
-    with open('./index_file.pkl', 'rb') as f:
-        index = pickle.load(f)
+    
     #index = VectorStoreIndex.from_documents(documents, service_context=service_context)
     embeddings_2 = SentenceTransformerEmbeddings(model_name="all-MiniLM-L6-v2")
     documents = SimpleDirectoryReader("./").load_data()