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Fix attribute handling for Jdaviz/Cubeviz parser #56

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Dec 2, 2021
Merged

Fix attribute handling for Jdaviz/Cubeviz parser #56

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7 changes: 4 additions & 3 deletions glue_astronomy/translators/spectrum1d.py
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Original file line number Diff line number Diff line change
Expand Up @@ -228,10 +228,11 @@ def to_object(self, data_or_subset, attribute=None, statistic='mean'):
if len(data.main_components) == 1:
attribute = data.main_components[0]
# If no specific attribute is defined, attempt to retrieve
# both the flux and uncertainties
# the flux and uncertainty, if available
elif any([x.label in ('flux', 'uncertainty') for x in data.components]):
attribute = [data.find_component_id('flux'),
data.find_component_id('uncertainty')]
attribute = [data.find_component_id(x)
for x in ('flux', 'uncertainty')
if data.find_component_id(x) is not None]
else:
raise ValueError("Data object has more than one attribute, so "
"you will need to specify which one to use as "
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