Update app.py

app.py

@@ -123,7 +123,7 @@ def add_transcript_to_video(video_path, translated_json, output_path):
         if isinstance(entry, dict) and "translated" in entry:
             txt_clip = TextClip(
                 text=entry["translated"], font=font_path, method='caption', color='white', bg_color='black', size=video.size
-            ).set_start(entry["start"]).set_duration(entry["end"] - entry["start"]).set_position(('bottom')).set_opacity(0.7)
+            ).with_start(entry["start"]).set_duration(entry["end"] - entry["start"]).set_position(('bottom')).set_opacity(0.7)
             text_clips.append(txt_clip)
         else:
             raise ValueError(f"Invalid entry format: {entry}")