Update app.py

app.py

@@ -11,6 +11,7 @@ from langchain.chains import ConversationChain
 from langchain.memory import ConversationBufferMemory
 from langchain.llms import HuggingFaceHub
 from langchain.memory import ConversationBufferWindowMemory
+from langchain_community.document_loaders import TextLoader
 
 from pathlib import Path
 import chromadb
@@ -79,7 +80,7 @@ def load_doc(list_file_path, chunk_size, chunk_overlap):
     # Processing for one document only
     # loader = PyPDFLoader(file_path)
     # pages = loader.load()
-    loaders = [PyPDFLoader(x) for x in list_file_path]
+    loaders = [TextLoader(x) for x in list_file_path]
     pages = []
     for loader in loaders:
         pages.extend(loader.load())
@@ -226,7 +227,7 @@ def demo():
         vector_db = gr.State()
         qa_chain = gr.State()
         collection_name = gr.State()
-        pdf_directory = '/home/user/app/pdfs'
+        pdf_directory = '/home/user/app/texts/'
 
         def process_pdfs():
             # List all PDF files in the directory