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BUG Raise exception for invalid input #2632

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luispedro wants to merge 2 commits into from
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BUG Raise exception for invalid input #2632

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eb2480a
BUG Raise exception for invalid input
luispedro Oct 6, 2013
a529ac1
PEP8 Wrap long line
luispedro Dec 1, 2013
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3 changes: 3 additions & 0 deletions lib/matplotlib/cm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -248,6 +248,9 @@ def to_rgba(self, x, alpha=None, bytes=False):
xx = x
else:
raise ValueError("third dimension must be 3 or 4")
if xx.dtype != np.uint8 and xx.max() > 1:
raise ValueError(
"image must be either uint8 or in the 0..1 range")
if bytes and xx.dtype != np.uint8:
xx = (xx * 255).astype(np.uint8)
if not bytes and xx.dtype == np.uint8:
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