Merge pull request #510 from girder/image-modes

Fix an issue when a tile wasn't in an expected color mode
girder · Jan 15, 2021 · 91c557f · 91c557f
2 parents 2b70de7 + d1be422
commit 91c557f
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,7 +7,7 @@
 - Better handling of tiff files with JPEG compression and RGB colorspace (#503)
 
 ### Bug Fixes
-- Harden updates of the item view after making a large image
+- Harden updates of the item view after making a large image (#508)
 
 ## Version 1.3.2
 

diff --git a/large_image/tilesource/base.py b/large_image/tilesource/base.py
@@ -132,7 +132,7 @@ def _imageToNumpy(image):
         if not isinstance(image, PIL.Image.Image):
             image = PIL.Image.open(BytesIO(image))
         if image.mode not in ('L', 'LA', 'RGB', 'RGBA'):
-            image.convert('RGBA')
+            image = image.convert('RGBA')
         mode = image.mode
         image = numpy.asarray(image)
     else: