Use TIFF format as Scanner output

This is necessary to work around a Tesseract bug in which monochrome images are color-inverted.
cassava · Jan 15, 2019 · fde61b2 · fde61b2
1 parent d66f5f7
commit fde61b2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scanbro.py b/scanbro.py
@@ -217,7 +217,7 @@ class Scanner(Processor):
     """
 
     binary = 'scanimage'
-    filetype = 'png'
+    filetype = 'tiff'
     multiple_out = True
 
     def __init__(self, config):