/nfs/site/home/<user>/pyenv3.11.1/bin/python3
Python 3.11.1 (main, Dec  6 2023, 09:00:14) [GCC 12.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import xopen, os
>>> f = xopen.xopen("file.zst")
>>> f.seek(0, os.SEEK_END)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/nfs/site/home/<user>/pyenv3.11.1/lib/python3.11/site-packages/xopen/__init__.py", line 476, in seek
    return self._file.seek(offset, whence)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
io.UnsupportedOperation: underlying stream is not seekable