Update pdfchatbot.py

pdfchatbot.py

@@ -15,6 +15,8 @@ from langchain_community.document_loaders import PyPDFLoader
 from langchain.prompts import PromptTemplate
 from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
 
+os.environ["HUGGINGFACE_API_TOKEN"] = os.getenv("HUGGINGFACE_API_TOKEN")
+
 class PDFChatBot:
     def __init__(self):
         """