Test failures with Python 3.12 and astropy 5.3.2 #15238

=================================== FAILURES ===================================
____________________________ test_gzip_filehandles _____________________________

tmp_path = PosixPath('/tmp/pytest-of-mockbuild/pytest-0/test_gzip_filehandles0')

    def test_gzip_filehandles(tmp_path):
        with np.errstate(over="ignore"):
            # https://github.com/astropy/astropy/issues/13341
            votable = parse(get_pkg_data_filename("data/regression.xml"))
    
        # W39: Bit values can not be masked
        with pytest.warns(W39):
            with open(tmp_path / "regression.compressed.xml", "wb") as fd:
                votable.to_xml(fd, compressed=True, _astropy_version="testing")
    
        with open(tmp_path / "regression.compressed.xml", "rb") as fd:
>           votable = parse(fd)

astropy/io/votable/tests/vo_test.py:855: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
astropy/utils/decorators.py:604: in wrapper
    return function(*args, **kwargs)
astropy/io/votable/table.py:177: in parse
    return tree.VOTableFile(config=config, pos=(1, 1)).parse(iterator, config)
astropy/io/votable/tree.py:3858: in parse
    for start, tag, data, pos in iterator:
/usr/lib64/python3.12/gzip.py:324: in read
    return self._buffer.read(size)
/usr/lib64/python3.12/_compression.py:68: in readinto
    data = self.read(len(byte_view))
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <gzip._GzipReader object at 0x7f75bd008730>, size = 8192

    def read(self, size=-1):
        if size < 0:
            return self.readall()
        # size=0 is special because decompress(max_length=0) is not supported
        if not size:
            return b""
    
        # For certain input data, a single
        # call to decompress() may not return
        # any data. In this case, retry until we get some data or reach EOF.
        while True:
            if self._decompressor.eof:
                # Ending case: we've come to the end of a member in the file,
                # so finish up this member, and read a new gzip header.
                # Check the CRC and file size, and set the flag so we read
                # a new member
                self._read_eof()
                self._new_member = True
                self._decompressor = self._decomp_factory(
                    **self._decomp_args)
    
            if self._new_member:
                # If the _new_member flag is set, we have to
                # jump to the next member, if there is one.
                self._init_read()
                if not self._read_gzip_header():
                    self._size = self._pos
                    return b""
                self._new_member = False
    
            # Read a chunk of data from the file
            if self._decompressor.needs_input:
                buf = self._fp.read(READ_BUFFER_SIZE)
                uncompress = self._decompressor.decompress(buf, size)
            else:
                uncompress = self._decompressor.decompress(b"", size)
    
            if self._decompressor.unused_data != b"":
                # Prepend the already read bytes to the fileobj so they can
                # be seen by _read_eof() and _read_gzip_header()
                self._fp.prepend(self._decompressor.unused_data)
    
            if uncompress != b"":
                break
            if buf == b"":
>               raise EOFError("Compressed file ended before the "
                               "end-of-stream marker was reached")
E               EOFError: Compressed file ended before the end-of-stream marker was reached

/usr/lib64/python3.12/gzip.py:544: EOFError
_______________________ test_slicing_all_something_wrong _______________________

    def test_slicing_all_something_wrong():
        data = np.arange(10)
        mask = [False] * 10
        uncertainty = UnknownUncertainty({"rdnoise": 2.9, "gain": 1.4})
        naxis = 1
        wcs = nd_testing._create_wcs_simple(
            naxis=naxis,
            ctype=["deg"] * naxis,
            crpix=[3] * naxis,
            crval=[10] * naxis,
            cdelt=[1] * naxis,
        )
    
        nd = NDDataSliceable(data, mask=mask, uncertainty=uncertainty, wcs=wcs)
>       nd2 = nd[2:5]

astropy/nddata/mixins/tests/test_ndslicing.py:171: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
astropy/nddata/mixins/ndslicing.py:64: in __getitem__
    kwargs = self._slice(item)
astropy/nddata/mixins/ndslicing.py:92: in _slice
    kwargs["uncertainty"] = self._slice_uncertainty(item)
astropy/nddata/mixins/ndslicing.py:104: in _slice_uncertainty
    return self.uncertainty[item]
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = UnknownUncertainty({'rdnoise': 2.9, 'gain': 1.4})
item = slice(2, 5, None)

    def __getitem__(self, item):
        """Normal slicing on the array, keep the unit and return a reference."""
>       return self.__class__(self.array[item], unit=self.unit, copy=False)
E       KeyError: slice(2, 5, None)

astropy/nddata/nduncertainty.py:331: KeyError
__________________________ test_table_attribute_fail ___________________________

    def test_table_attribute_fail():
        # Code raises ValueError(f'{attr} not allowed as TableAttribute') but in this
        # context it gets re-raised as a RuntimeError during class definition.
        with pytest.raises(RuntimeError, match="Error calling __set_name__"):
    
>           class MyTable2(Table):

astropy/table/tests/test_table.py:2900: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <[AttributeError("'TableAttribute' object has no attribute 'name'") raised in repr()] TableAttribute object at 0x7f75bb5f2cc0>
owner = <class 'astropy.table.tests.test_table.test_table_attribute_fail.<locals>.MyTable2'>
name = 'descriptions'

    def __set_name__(self, owner, name):
        import inspect
    
        params = [
            param.name
            for param in inspect.signature(owner).parameters.values()
            if param.kind
            not in (inspect.Parameter.VAR_KEYWORD, inspect.Parameter.VAR_POSITIONAL)
        ]
    
        # Reject names from existing params or best guess at parent class
        if name in params or hasattr(owner.__mro__[1], name):
>           raise ValueError(f"{name} not allowed as {self.__class__.__name__}")
E           ValueError: descriptions not allowed as TableAttribute
E           Error calling __set_name__ on 'TableAttribute' instance 'descriptions' in 'MyTable2'

astropy/utils/metadata.py:537: ValueError