Update app.py

app.py

@@ -413,7 +413,7 @@ def create_subtitle_clip_pil(text, start_time, end_time, video_width, video_heig
             y += line_heights[idx] + 5
 
         img_np = np.array(img)
-        txt_clip = ImageClip(img_np).set_start(start_time).set_duration(end_time - start_time).set_position(lambda clip: ("center", video_height - clip.h - int(video_height * 0.05))).set_opacity(0.9)
+        txt_clip = ImageClip(img_np).set_start(start_time).set_duration(end_time - start_time).set_position(lambda clip: ("center", video_height - clip.size[1] - int(video_height * 0.05))).set_opacity(0.9)
         return txt_clip
 
     except Exception as e: