Fix api-ref doc generation for Python3
Fix the Sphinx html_last_updated_fmt for Python3.
The html_last_updated_fmt option is interpeted as a
byte string in python3, causing Sphinx build to break.
This patch makes it utf-8 string.
Closes-bug:
@@ -177,8 +177,7 @@ todo_include_todos = False
git_cmd = ["git", "log", "--pretty=format:'%ad, commit %h'", "--date=local",
"-n1"]
try:
- html_last_updated_fmt = subprocess.Popen(
- git_cmd, stdout=subprocess.PIPE).communicate()[0]
+ html_last_updated_fmt = subprocess.check_output(git_cmd).decode('utf-8')
except Exception:
warnings.warn('Cannot get last updated time from git repository. '
'Not setting "html_last_updated_fmt".')
