Update app.py

app.py

@@ -17,9 +17,9 @@ from langchain.chains import ConversationalRetrievalChain, LLMChain
 from langchain_core.prompts import PromptTemplate
 
 # below 3 libraries are for loading remote models
-from transformers import LlamaForCausalLM
-from sentence_transformers import SentenceTransformer
-from ctransformers import AutoModelForCausalLM
+#from transformers import LlamaForCausalLM
+#from sentence_transformers import SentenceTransformer
+from transformers import AutoModelForCausalLM
 
 # adding separator
 def add_vertical_space(spaces=1):