Merge branch 'verify-osd' into 'master'

Fix check that tesseract can detect orientation.

See merge request !117
2 jobs for master in 14 minutes and 30 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #302516
volatile linux
check

00:05:24

failed #302517
volatile linux
test

00:14:29

 
Name Stage Failure
failed
test Test
FAILED tests/tests_tesseract.py::TestTesseract::test_can_detect_orientation_tesseract3
FAILED tests/tests_tesseract.py::TestTesseract::test_cannot_detect_orientation_tesseract3
==================== 2 failed, 190 passed in 15.17 seconds =====================
ERROR: InvocationError: '/builds/World/OpenPaperwork/pyocr/.tox/py3/bin/pytest'
___________________________________ summary ____________________________________
ERROR: py3: commands failed
make: *** [test] Error 1
Makefile:23: recipe for target 'test' failed
ERROR: Job failed: exit code 1