Fix syntax error with Python 2

7 jobs for master in 791 minutes and 50 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #3918
amd64
job_clang_amd64

06:40:51

passed #3923
amd64
job_clang_amd64_nosh

06:09:33

failed #3920
amd64
job_clang_py2_amd64

04:46:18

passed #3917
amd64
job_gcc_amd64

07:02:16

passed #3921
amd64
job_gcc_amd64_nosh

06:34:49

failed #3919
amd64
job_gcc_py2_amd64

05:00:32

failed #3922
amd64
job_clang_amd64_nosh

06:45:14

 
Name Stage Failure
failed
job_gcc_py2_amd64 Test

Exception occurred:
File "/usr/lib/python2.7/site-packages/sphinx/ext/autodoc/__init__.py", line 82, in members_option
return [x.strip() for x in arg.split(',')]
AttributeError: 'bool' object has no attribute 'split'
The full traceback has been saved in /tmp/sphinx-err-J2GvwX.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
ERROR: Job failed: exit status 1
failed
job_clang_py2_amd64 Test

Exception occurred:
File "/usr/lib/python2.7/site-packages/sphinx/ext/autodoc/__init__.py", line 82, in members_option
return [x.strip() for x in arg.split(',')]
AttributeError: 'bool' object has no attribute 'split'
The full traceback has been saved in /tmp/sphinx-err-qf54rU.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
ERROR: Job failed: exit status 1