nltk==3.8.1 langchain==0.1.16 langchain-openai==0.1.3 langchain_google_genai==1.0.2 transformers==4.40.1 accelerate==0.29.3 python-dotenv==1.0.1 gradio==4.26.0 black==24.4.0 chardet==5.2.0 sentencepiece==0.2.0 evaluate==0.4.2 rouge_score==0.1.2