Update app.py

app.py

@@ -381,12 +381,13 @@ def main():
             # Move the uploaded files to the temporary directory
             for uploaded_file in uploaded_files:
                 uploaded_file.save(os.path.join(td, uploaded_file.name))
-
             # Process the files in the temporary directory
             for file in os.listdir(td):
                 ext = os.path.splitext(file)[-1][1:].lower()
                 if ext in FILE_LOADER_MAPPING:
                     loader_class, loader_args = FILE_LOADER_MAPPING[ext]
+                    with open(os.path.join(td, file), 'wb') as temp_file:
+                        temp_file.write(uploaded_file.read())
                     loader = loader_class(os.path.join(td, file), **loader_args)
                     loaded_documents.extend(loader.load())