________________________ TestComparisonUfuncs.test_sign ________________________

self = <astropy.units.tests.test_quantity_ufuncs.TestComparisonUfuncs object at 0x7ff185a05370>

    def test_sign(self):
        q = [1., np.inf, -np.inf, np.nan, -1., 0.] * u.m
    
        # Ignore "invalid value encountered in sign" warning on Windows.
        if sys.platform.startswith('win'):
            ctx = np.errstate(invalid='ignore')
        else:
            ctx = nullcontext()
        with ctx:
>           out = np.sign(q)

astropy/units/tests/test_quantity_ufuncs.py:723: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <Quantity [  1.,  inf, -inf,  nan,  -1.,   0.] m>
function = <ufunc 'sign'>, method = '__call__'
inputs = (<Quantity [  1.,  inf, -inf,  nan,  -1.,   0.] m>,), kwargs = {}
converters = [None], unit = None, out = None
arrays = [array([  1.,  inf, -inf,  nan,  -1.,   0.])]
input_ = array([  1.,  inf, -inf,  nan,  -1.,   0.]), converter = None

    def __array_ufunc__(self, function, method, *inputs, **kwargs):
        """[…]"""
        # […]
        converters, unit = converters_and_unit(function, method, *inputs)
    
        out = kwargs.get('out', None)
        # Avoid loop back by turning any Quantity output into array views.
        if out is not None:
            # If pre-allocated output is used, check it is suitable.
            # This also returns array view, to ensure we don't loop back.
            if function.nout == 1:
                out = out[0]
            out_array = check_output(out, unit, inputs, function=function)
            # Ensure output argument remains a tuple.
            kwargs['out'] = (out_array,) if function.nout == 1 else out_array
    
        # Same for inputs, but here also convert if necessary.
        arrays = []
        for input_, converter in zip(inputs, converters):
            input_ = getattr(input_, 'value', input_)
            arrays.append(converter(input_) if converter else input_)
    
        # Call our superclass's __array_ufunc__
>       result = super().__array_ufunc__(function, method, *arrays, **kwargs)
E       RuntimeWarning: invalid value encountered in sign

astropy/units/quantity.py:481: RuntimeWarning

_____________________ TestInplaceUfuncs.test_sign_inplace ______________________

self = <astropy.units.tests.test_quantity_ufuncs.TestInplaceUfuncs object at 0x7ff16f2d3f70>

    def test_sign_inplace(self):
        q = [1., np.inf, -np.inf, np.nan, -1., 0.] * u.m
        check = np.empty(q.shape, q.dtype)
    
        # Ignore "invalid value encountered in sign" warning on Windows.
        if sys.platform.startswith('win'):
            ctx = np.errstate(invalid='ignore')
        else:
            ctx = nullcontext()
        with ctx:
>           np.sign(q.value, out=check)
E           RuntimeWarning: invalid value encountered in sign

astropy/units/tests/test_quantity_ufuncs.py:931: RuntimeWarning

___________________________ test_footprint_contains ____________________________

    def test_footprint_contains():
        """[…]"""
        header = """[…]""" # noqa
       header = fits.Header.fromstring(header.strip(), '\n')
        test_wcs = wcs.WCS(header)
    
        hasCoord = test_wcs.footprint_contains(SkyCoord(254, 2, unit='deg'))
        assert hasCoord
    
        hasCoord = test_wcs.footprint_contains(SkyCoord(240, 2, unit='deg'))
        assert not hasCoord
    
        # Ignore "invalid value encountered in less" warning on Windows.
        if sys.platform.startswith('win'):
            ctx = np.errstate(invalid='ignore')
        else:
            ctx = nullcontext()
        with ctx:
>           hasCoord = test_wcs.footprint_contains(SkyCoord(24, 2, unit='deg'))

astropy/wcs/tests/test_wcs.py:1227: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
astropy/wcs/wcs.py:3111: in footprint_contains
    return coord.contained_by(self, **kwargs)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
    (24., 2.)>
wcs = WCS Keywords

Number of WCS axes: 2
CTYPE : 'RA---TAN'  'DEC--TAN'  
CRVAL : 250.34971683647  2.2808772582495  
CRPIX ...0786  -0.001042120133257  
PC2_1 PC2_2  : 0.001181477028705  -0.005590809742987  
CDELT : 1.0  1.0  
NAXIS : 2136  2078
image = None, kwargs = {}, ymax = 2078, xmax = 2136
warnings = <module 'warnings' from '/usr/lib/python3.8/warnings.py'>
x = array(nan), y = array(nan)

    def contained_by(self, wcs, image=None, **kwargs):
        """[…]"""
        if image is not None:
            ymax, xmax = image.shape
        else:
            xmax, ymax = wcs._naxis
    
        import warnings
        with warnings.catch_warnings():
            #  Suppress warnings since they just mean we didn't find the coordinate
            warnings.simplefilter("ignore")
            try:
                x, y = self.to_pixel(wcs, **kwargs)
            except Exception:
                return False
    
>       return (x < xmax) & (x > 0) & (y < ymax) & (y > 0)
E       RuntimeWarning: invalid value encountered in less