Update app.py

app.py

@@ -3,6 +3,7 @@ import tempfile
 import os
 import subprocess
 import uuid
+import shutil
 
 def process_files(pdf_file, word_file):
     # Each upload returns a path (str) with type="filepath"
@@ -12,8 +13,8 @@ def process_files(pdf_file, word_file):
     # Copy user-uploaded files into temp directory with standard names
     pdf_path = os.path.join(temp_dir, "input.pdf")
     word_path = os.path.join(temp_dir, "input.docx")
-    os.rename(pdf_file, pdf_path)
-    os.rename(word_file, word_path)
+    shutil.copy(pdf_file, pdf_path)
+shutil.copy(word_file, word_path)
 
     # Step 1: Extract PDF data to txt
     pdf_txt_path = os.path.join(temp_dir, "pdf_data.txt")