new code

src/pdfchatbot.py

@@ -5,7 +5,6 @@ import gradio as gr
 from PIL import Image
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.vectorstores import Chroma
-from langchain.llms import HuggingFacePipeline
 from langchain.chains import ConversationalRetrievalChain
 from langchain.document_loaders import PyPDFLoader
 from langchain.prompts import PromptTemplate
@@ -87,7 +86,7 @@ class PDFChatBot:
             self.pipeline.tokenizer.convert_tokens_to_ids("<|eot_id|>")
         ]
         temp = 0.1
-        outputs = pipeline(
+        outputs = self.pipeline(
             prompt,
             max_new_tokens=1024,
             eos_token_id=terminators,