fits.Z cannot be opened using automatic decompression #10714

---------------------------------------------------------------------------
UnicodeDecodeError                        Traceback (most recent call last)
~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/base.py in _readfrom_internal(cls, data, header, checksum, ignore_missing_end, **kwargs)
    405                     # that are needed to build the HDU object.
--> 406                     header_str, header = _BasicHeader.fromfile(data)
    407                 except Exception:

~/.local/lib/python3.8/site-packages/astropy/io/fits/header.py in fromfile(cls, fileobj)
   2076         try:
-> 2077             header_str, cards = parse_header(fileobj)
   2078             _check_padding(header_str, BLOCK_SIZE, False)

astropy/io/fits/_utils.pyx in astropy.io.fits._utils.parse_header()

UnicodeDecodeError: 'ascii' codec can't decode byte 0x9d in position 1: ordinal not in range(128)

During handling of the above exception, another exception occurred:

OSError                                   Traceback (most recent call last)
<ipython-input-2-0fb814c35786> in <module>
----> 1 fits.getheader('VISIR.2017-01-05T09:04:11.258.fits.Z')

~/.local/lib/python3.8/site-packages/astropy/io/fits/convenience.py in getheader(filename, *args, **kwargs)
    103 
    104     mode, closed = _get_file_mode(filename)
--> 105     hdulist, extidx = _getext(filename, mode, *args, **kwargs)
    106     try:
    107         hdu = hdulist[extidx]

~/.local/lib/python3.8/site-packages/astropy/io/fits/convenience.py in _getext(filename, mode, ext, extname, extver, *args, **kwargs)
   1047         raise TypeError('extver alone cannot specify an extension.')
   1048 
-> 1049     hdulist = fitsopen(filename, mode=mode, **kwargs)
   1050 
   1051     return hdulist, ext

~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/hdulist.py in fitsopen(name, mode, memmap, save_backup, cache, lazy_load_hdus, **kwargs)
    162         raise ValueError(f'Empty filename: {name!r}')
    163 
--> 164     return HDUList.fromfile(name, mode, memmap, save_backup, cache,
    165                             lazy_load_hdus, **kwargs)
    166 

~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/hdulist.py in fromfile(cls, fileobj, mode, memmap, save_backup, cache, lazy_load_hdus, **kwargs)
    401         """
    402 
--> 403         return cls._readfrom(fileobj=fileobj, mode=mode, memmap=memmap,
    404                              save_backup=save_backup, cache=cache,
    405                              lazy_load_hdus=lazy_load_hdus, **kwargs)

~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/hdulist.py in _readfrom(cls, fileobj, data, mode, memmap, save_backup, cache, lazy_load_hdus, **kwargs)
   1077 
   1078         # Make sure at least the PRIMARY HDU can be read
-> 1079         read_one = hdulist._read_next_hdu()
   1080 
   1081         # If we're trying to read only and no header units were found,

~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/hdulist.py in _read_next_hdu(self)
   1152                                 fileobj.seek(offset, os.SEEK_SET)
   1153 
-> 1154                         hdu = _BaseHDU.readfrom(fileobj, **kwargs)
   1155                     except EOFError:
   1156                         self._read_all = True

~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/base.py in readfrom(cls, fileobj, checksum, ignore_missing_end, **kwargs)
    323             fileobj = _File(fileobj)
    324 
--> 325         hdu = cls._readfrom_internal(fileobj, checksum=checksum,
    326                                      ignore_missing_end=ignore_missing_end,
    327                                      **kwargs)

~/.local/lib/python3.8/site-packages/astropy/io/fits/hdu/base.py in _readfrom_internal(cls, data, header, checksum, ignore_missing_end, **kwargs)
    411                     # in the wild.
    412                     data.seek(header_offset)
--> 413                     header = Header.fromfile(data,
    414                                              endcard=not ignore_missing_end)
    415             hdu_fileobj = data

~/.local/lib/python3.8/site-packages/astropy/io/fits/header.py in fromfile(cls, fileobj, sep, endcard, padding)
    511                         break
    512 
--> 513             return cls._from_blocks(block_iter, is_binary, sep, endcard,
    514                                     padding)[1]
    515         finally:

~/.local/lib/python3.8/site-packages/astropy/io/fits/header.py in _from_blocks(cls, block_iter, is_binary, sep, endcard, padding)
    594             # TODO: Pass this error to validation framework as an ERROR,
    595             # rather than raising an exception
--> 596             raise OSError('Header missing END card.')
    597 
    598         header_str = ''.join(read_blocks)

OSError: Header missing END card.

import platform; print(platform.platform())
-->Linux-5.4.60-1-lts-x86_64-with-glibc2.2.5
import sys; print("Python", sys.version) 

-->Python 3.8.5 (default, Jul 27 2020, 08:42:51) 
[GCC 10.1.0]

import numpy; print("Numpy", numpy.__version__)
-->Numpy 1.17.4

import astropy; print("astropy", astropy.__version__)
-->astropy 4.0.1.post1

import scipy; print("Scipy", scipy.__version__)
Scipy 1.3.3

import matplotlib; print("Matplotlib", matplotlib.__version__)
Matplotlib 3.3.0