Update app.py

app.py

@@ -9,14 +9,15 @@ from langchain.chains.question_answering import load_qa_chain
 from langchain.llms import OpenAI
 import time
 import logging
+import pdfplumber
 import os
 
 def process_pdf(pdf):
     start_time = time.time()
-    pdf_reader = PdfReader(pdf)
     text = ""
-    for page in pdf_reader.pages:
-        text += page.extract_text() or ""
+    with pdfplumber.open(pdf) as pdf_reader:
+        for page in pdf_reader.pages:
+            text += page.extract_text() or ""
     end_time = time.time()
     logging.info(f"Processed PDF in {end_time - start_time} seconds")
     return text
@@ -61,7 +62,7 @@ def main():
     st.sidebar.write("Need assistance? Reach out to our support team.")
 
     # Footer
-    st.sidebar.text("© 2024 EstateSphere Consulting")
+    st.sidebar.text("© 2024 MosaicAI")
 
 # Logging and exception handling remain the same