Update app.py

app.py

@@ -22,11 +22,11 @@ doc_converter = DocumentConverter(
 def convert_to_markdown(file):
     # Save the uploaded file to a temporary path
     input_path = Path(file.name)
-    file.save(str(input_path))
+    with open(input_path, 'wb') as f:
+        f.write(file.read())
 
     # Convert the document
     result = doc_converter.convert(str(input_path))
-    
 
     # Prepare output directory
     output_dir = Path("output")