test_tool_image.py:1128: in test_multi_channel_multi_pol z = yy.convolve2d("", major="5arcmin", minor="4arcmin", pa="20deg") /usr/local/lib/python3.8/site-packages/casatools/image.py:1062: in convolve2d return _wrap_image(swig_object=self._swigobj.convolve2d(outfile, axes, type, major, minor, pa, scale, region, mask, overwrite, stretch, targetres, beam)) /usr/local/lib/python3.8/site-packages/casatools/__casac__/image.py:2411: in convolve2d return _image.image_convolve2d(self, *args, **kwargs) E RuntimeError: Exception: At least one of the beams in the beam set of Temporary_Image is null and thus invalid. E ... thrown by void casacore::ImageInfo::checkBeamSet(const casacore::CoordinateSystem&, const casacore::IPosition&, const casacore::String&) const at File: /source/casa6/casatools/casacore/images/Images/ImageInfo.cc, line: 651test_tool_image.py:852: in tearDown self.assertTrue(len(self.tb.showcache()) == 0, 'table cache is not empty') E AssertionError: False is not true : table cache is not emptytest_tool_image.py:852: in tearDown self.assertTrue(len(self.tb.showcache()) == 0, 'table cache is not empty') E AssertionError: False is not true : table cache is not emptytest_tool_image.py:852: in tearDown self.assertTrue(len(self.tb.showcache()) == 0, 'table cache is not empty') E AssertionError: False is not true : table cache is not empty