attribute error - rendering video fails

[interminabilis]

/content/drive/MyDrive/pytti_tools
Generating video from default/default_.png
found 50 frames matching images_out/default/default_.png

100%
50/50 [00:38<00:00, 1.12it/s]
10%
5/50 [00:01<00:12, 3.70it/s]

---

AttributeError Traceback (most recent call last)

/usr/local/lib/python3.9/dist-packages/PIL/ImageFile.py in _save(im, fp, tile, bufsize)
503 try:
--> 504 fh = fp.fileno()
505 fp.flush()

AttributeError: '_idat' object has no attribute 'fileno'

During handling of the above exception, another exception occurred:

BrokenPipeError Traceback (most recent call last)

5 frames

in
86 p = Popen(cmd, stdin=PIPE)
87 for im in tqdm(frames):
---> 88 im.save(p.stdin, 'PNG')
89 p.stdin.close()
90

/usr/local/lib/python3.9/dist-packages/PIL/Image.py in save(self, fp, format, **params)
2238
2239 try:
-> 2240 save_handler(self, fp, filename)
2241 finally:
2242 # do what we can to clean up

/usr/local/lib/python3.9/dist-packages/PIL/PngImagePlugin.py in _save(im, fp, filename, chunk, save_all)
1346 _write_multiple_frames(im, fp, chunk, rawmode)
1347 else:
-> 1348 ImageFile._save(im, _idat(fp, chunk), [("zip", (0, 0) + im.size, 0, rawmode)])
1349
1350 if info:

/usr/local/lib/python3.9/dist-packages/PIL/ImageFile.py in _save(im, fp, tile, bufsize)
517 while True:
518 l, s, d = e.encode(bufsize)
--> 519 fp.write(d)
520 if s:
521 break

/usr/local/lib/python3.9/dist-packages/PIL/PngImagePlugin.py in write(self, data)
1042
1043 def write(self, data):
-> 1044 self.chunk(self.fp, b"IDAT", data)
1045
1046

/usr/local/lib/python3.9/dist-packages/PIL/PngImagePlugin.py in putchunk(fp, cid, *data)
1029
1030 fp.write(o32(len(data)) + cid)
-> 1031 fp.write(data)
1032 crc = _crc32(data, _crc32(cid))
1033 fp.write(o32(crc))

BrokenPipeError: [Errno 32] Broken pipe