Update requirements.txt

requirements.txt

@@ -1,9 +1,13 @@
-gradio==4.13.0
-pandas==2.0.3
-langchain==0.0.334
-langchain-community==0.0.15
-faiss-cpu==1.7.4
-sentence-transformers==2.2.2
+gradio>=3.50.2
+pandas
+numpy
+langchain>=0.0.267
+langchain-community>=0.0.10
+langchain-experimental
 transformers==4.34.0
-torch==2.0.1
-accelerate==0.23.0
+ctransformers>=0.2.24
+sentence-transformers
+faiss-cpu
+torch
+accelerate
+pydantic