Bump version: 2.3.0 -> 2.3.1

2 jobs for v2.3.1 in 1 minute and 40 seconds (queued for 3 minutes and 15 seconds)
latest
Status Job ID Name Coverage
  Test
failed #1618
make_test

00:01:40

 
  Deploy
skipped #1619
make_deb_package
 
Name Stage Failure
failed
make_test Test
OSError: [Errno 99] error while attempting to bind on address ('::1', 24826, 0, 0): cannot assign requested address

----------------------------------------------------------------------
Ran 195 tests in 16.035s

FAILED (errors=18)
make.d/test.mk:31: recipe for target 'test_py' failed
make: *** [test_py] Error 1
ERROR: Job failed: exit code 1