this is fine

png2mp4

@@ -1,8 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-#!/usr/bin/env python3
-
 import argparse
 import os
 import shutil
@@ -49,7 +47,7 @@ def create_video(input_dir, sample, temp_dir, step_multiplier, repeat, max_image
     # Get duration and process final video
     try:
         duration_cmd = ["ffmpeg", "-i", temp_output]
-        result = subprocess.run(duration_cmd, capture_output=True, text=True, stderr=subprocess.PIPE)
+        result = subprocess.run(duration_cmd, capture_output=True, text=True)
         duration_match = re.search(r'Duration: (\d{2}):(\d{2}):(\d{2})', result.stderr)
         if duration_match:
             hours, minutes, seconds = map(float, duration_match.groups())
@@ -141,4 +139,4 @@ def main():
     return 0
 
 if __name__ == "__main__":
-    exit(main())
+    exit(main())