Fix writing thumbnails from transparent images

JPEG does not support alpha channels, so remove RGBA from the list of
valid modes.

1 files changed, 1 insertions, 1 deletions

diff --git a/fbin/fbin.py b/fbin/fbin.py
index 7a97194..ffc6a5b 100755
--- a/fbin/fbin.py
+++ b/fbin/fbin.py
@@ -370,7 +370,7 @@ def thumb(hash):
             # We can't generate a thumbnail for this file, just say it doesn't exist.
             abort(404)
         # Check for valid JPEG modes.
-        if im.mode not in ('1', 'L', 'RGB', 'RGBA', 'RGBX', 'CMYK', 'YCbCr'):
+        if im.mode not in ('1', 'L', 'RGB', 'RGBX', 'CMYK', 'YCbCr'):
             im = im.convert('RGB')
         im.thumbnail(current_app.config.get('THUMB_SIZE', (128, 128)), Image.ANTIALIAS)
         im.save(thumbfile)