check_catalog command failing

[Jun Omae]

$ make check-ja
check-ja: python  setup.py  check_catalog -l ja  check_catalog_js -l ja  check_catalog_tracini -l ja
running check_catalog
checking catalog trac/locale/ja/LC_MESSAGES/messages.po
Traceback (most recent call last):
  File "setup.py", line 158, in <module>
    **extra
  File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
    dist.run_commands()
  File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/src/tracdev/git/trac/dist.py", line 458, in run
    log.warning('%s:%d: %s', filename, message.lineno,
AttributeError: 'module' object has no attribute 'warning'
make: *** [check-ja] Error 1