O que isso quer dizer?

```python
  File "/Users/open_assistant/test.py", line 62
    subprocess.call(f"ffmpeg -ss {start} -to {end} -avoid_negative_ts make_zero -i {video} -i {image} -filter_complex '[0]scale=-1:540.5[vid]; [1]
                    ^
SyntaxError: unterminated string literal (detected at line 62)
```
spam lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor creativity violence