Update main.py

main.py

@@ -1,7 +1,7 @@
 from langchain.chains import RetrievalQA, ConversationalRetrievalChain
 from langchain.vectorstores import Chroma
 from langchain.text_splitter import CharacterTextSplitter
-from langchain.document_loaders import DirectoryLoader, TextLoader
+    from langchain.document_loaders import DirectoryLoader, TextLoader,PyPDFLoader
 from transformers import pipeline
 from langchain.llms import HuggingFacePipeline
 from langchain.embeddings import HuggingFaceInstructEmbeddings
@@ -26,7 +26,8 @@ pipe = pipeline(
 local_llm = HuggingFacePipeline(pipeline=pipe)
 print(local_llm('What is the capital of Syria?'))
 
-loader = TextLoader('info.txt')
+loader = PyPDFLoader('biploar.pdf')
+# loader = TextLoader('info.txt')
 document = loader.load()
 text_spliter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
 texts = text_spliter.split_documents(document)