fix upload example

Author: Lendemor

upload/upload/upload.py

@@ -27,7 +27,7 @@ async def handle_upload(self, files: List[rx.UploadFile]):
         # Iterate through the uploaded files.
         for file in files:
             upload_data = await file.read()
-            outfile = Path(rx.get_upload_dir()) / file.filename.lstrip("/")
+            outfile = Path(rx.get_upload_dir()) / file.name.lstrip("/")
             outfile.parent.mkdir(parents=True, exist_ok=True)
             outfile.write_bytes(upload_data)