Update app.py

app.py

@@ -32,7 +32,7 @@ def download_pdf_from_drive(file_id):
 # Function to extract text from PDF
 def extract_text_from_pdf(pdf_file):
     with pdfplumber.open(pdf_file) as pdf:
-        return ' '.join(page.extract_text() for page in pdf.pages)
+        return ' '.join(page.extract_text() for page in pdf.pages if page.extract_text())
 
 # Function to create embeddings and store them in FAISS
 def create_embeddings(text):