Update app.py

app.py

@@ -7,13 +7,22 @@ import nest_asyncio
 logging.basicConfig(stream=sys.stdout, level=logging.INFO)
 logging.getLogger().addHandler(logging.StreamHandler(stream=sys.stdout))
 
-from llama_index import VectorStoreIndex, SimpleDirectoryReader, ServiceContext
-from llama_index.llms import HuggingFaceLLM
-from langchain.embeddings import HuggingFaceEmbeddings, HuggingFaceInstructEmbeddings 
- 
+from llama_index.core import (
+    ServiceContext,
+    SimpleDirectoryReader,
+    StorageContext,
+    VectorStoreIndex,
+    set_global_service_context,
+)
+
+
+#from langchain.embeddings import HuggingFaceEmbeddings, HuggingFaceInstructEmbeddings 
+from llama_index.embeddings.huggingface import HuggingFaceInstructEmbeddings
+from llama_index.core import Settings
+
 from g4f import Provider, models
 from langchain.llms.base import LLM
-from llama_index.llms import LangChainLLM
+from llama_index.llms.langchain import LangChainLLM
 from langchain_g4f import G4FLLM
 
 nest_asyncio.apply()