jenkins-bot merged this change.

Approvals:
  Xqt: Looks good to me, approved
  jenkins-bot: Verified

proofreadpage_tests.py: add error text to Exception

Add also error text to raised Exception in case of errors during
page.ocr() call.
Main purpose it to facilitate investigations when tests fail.

Bug: T212076
Change-Id: I1c4a4da38b9f6b4f4ec0bdb90bc1e6712eb61630
---
M pywikibot/proofreadpage.py
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pywikibot/proofreadpage.py b/pywikibot/proofreadpage.py
index 5432d70..a075e31 100644
--- a/pywikibot/proofreadpage.py
+++ b/pywikibot/proofreadpage.py
@@ -722,7 +722,8 @@
         if not error:
             return text
         else:
-            raise ValueError('%s: not possible to perform OCR.' % self)
+            raise ValueError(
+                '{0}: not possible to perform OCR. {1}'.format(self, text))
 
 
 class PurgeRequest(Request):

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