Update app.py

app.py

@@ -134,19 +134,21 @@ def load_vector_store(file_path, store_name, force_reload=False):
 
 
 
-# Utility function to load text from a PDF
+@st.cache_resource
 def load_pdf_text(file_path):
     pdf_reader = PdfReader(file_path)
     text = ""
     for page in pdf_reader.pages:
-        text += page.extract_text() or ""  # Add fallback for pages where text extraction fails
+        text += page.extract_text() or ""
     return text
 
+
+@st.cache_resource
 def load_chatbot():
-    #return load_qa_chain(llm=OpenAI(), chain_type="stuff")
     return load_qa_chain(llm=OpenAI(model_name="gpt-3.5-turbo-instruct"), chain_type="stuff")
 
 
+
 def display_chat_history(chat_history):
     for chat in chat_history:
         background_color = "#ffeecf" if chat[2] == "new" else "#ffeecf" if chat[0] == "User" else "#ffeecf"