BUG FIX: the model wasn't able to call sample frames

Just a single line, because the model could not call sample_frames function

scripts/qwen3_vl_reranker.py

@@ -201,7 +201,7 @@ class Qwen3VLReranker():
             if isinstance(video, list):
                 video_content = video
                 if self.num_frames is not None or self.max_frames is not None:
-                    video_content = self._sample_frames(video_content, self.num_frames, self.max_frames)
+                    video_content = sample_frames(video_content, self.num_frames, self.max_frames)
                 video_content = [
                     ('file://' + ele if isinstance(ele, str) else ele) 
                     for ele in video_content