Update app.py

app.py

@@ -1,7 +1,4 @@
-from langchain_community.embeddings import HuggingFaceBgeEmbeddings
-from langchain_community.llms import HuggingFaceEndpoint
 from langchain_core.prompts import ChatPromptTemplate
-from langchain_community.llms import HuggingFaceHub
 from langchain_core.output_parsers import StrOutputParser
 from langchain import PromptTemplate, LLMChain
 from langchain_groq import ChatGroq