WCS TypeError in EchelleSpectrum.from_fits #29
Description
Hi, I receive a TypeError: The wcs argument must implement either the high or low level WCS API when using aesop.EchelleSpectrum. How can I solve this issue? I join below the errors I obtain. Thank you in advance!
/usr/local/lib/python3.8/dist-packages/aesop-0.0.dev85-py3.8.egg/aesop/spectra.py in from_fits(cls, path)
329 """
330 spectrum_list = [Spectrum1D.from_specutils(s)
--> 331 for s in read_fits_spectrum1d(path)]
332 header = fits.getheader(path)
333
/usr/local/lib/python3.8/dist-packages/aesop-0.0.dev85-py3.8.egg/aesop/legacy_specutils/readspec.py in read_fits_spectrum1d(filename, dispersion_unit, flux_unit)
553 for spectrum_data, spectrum_wcs in zip(data, multi_wcs.values()):
554 multispec.append(
--> 555 Spectrum1D(spectrum_data, wcs=spectrum_wcs))
556 return multispec
557
/usr/local/lib/python3.8/dist-packages/aesop-0.0.dev85-py3.8.egg/aesop/legacy_specutils/spectrum1d.py in init(self, flux, wcs, unit, uncertainty, mask, meta, indexer, *args, **kwargs)
189 meta=None, indexer=None, *args, **kwargs):
190
--> 191 super(Spectrum1D, self).init(data=flux, unit=unit, wcs=wcs, uncertainty=uncertainty,
192 mask=mask, meta=meta, *args, **kwargs)
193
~/.local/lib/python3.8/site-packages/astropy/nddata/nddata.py in init(self, data, uncertainty, mask, wcs, meta, unit, copy)
229 if wcs is not None:
230 # Validate the wcs
--> 231 self.wcs = wcs
232 self.meta = meta # TODO: Make this call the setter sometime
233 self._unit = unit
/usr/local/lib/python3.8/dist-packages/aesop-0.0.dev85-py3.8.egg/aesop/legacy_specutils/spectrum1d.py in setattr(self, name, value)
246 self._wcs_attributes[name[:-5]]['unit'] = u.Unit(value)
247 else:
--> 248 super(Spectrum1D, self).setattr(name, value)
249
250 def dir(self):
~/.local/lib/python3.8/site-packages/astropy/nddata/nddata.py in wcs(self, wcs)
293 self._wcs = HighLevelWCSWrapper(wcs)
294 else:
--> 295 raise TypeError("The wcs argument must implement either the high or"
296 " low level WCS API.")
297
TypeError: The wcs argument must implement either the high or low level WCS API.