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Update graphics.py #127

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Merged
merged 1 commit into from
Sep 27, 2021
Merged

Update graphics.py #127

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2 changes: 1 addition & 1 deletion spectral/graphics/graphics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -537,7 +537,7 @@ def get_rgb_meta(source, bands=None, **kwargs):
if k not in _get_rgb_kwargs:
raise ValueError('Invalid keyword: {0}'.format(k))

if not bands:
if bands is None:
bands = []
if len(bands) not in (0, 1, 3):
raise Exception("Invalid number of bands specified.")
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