I accept the file via POST. When I save it locally, I can read the content using file.read (), but the name via file.name incorrect(16) is displayed. When I try to find it by this name, I get an error. What might be the problem?

**My code:**

```
  @router.post(
    path="/upload",
    response_model=schema.ContentUploadedResponse,
)
async def upload_file(
        background_tasks: BackgroundTasks,
        uploaded_file: UploadFile = File(...)):
    uploaded_file.file.rollover()
    uploaded_file.file.flush()
    #shutil.copy(uploaded_file.file.name, f'../api/{uploaded_file.filename}')
    background_tasks.add_task(s3_upload, uploaded_file=fp)
    return schema.ContentUploadedResponse()

```