can't get actionplan list if global efficacy unit is null

[Alexander Chadin]

Got this error:
Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/cliff/app.py", line 400, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python3.4/site-packages/watcherclient/common/command.py", line 38, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python3.4/site-packages/cliff/display.py", line 116, in run
    column_names, data = self.take_action(parsed_args)
  File "/usr/lib/python3.4/site-packages/watcherclient/v1/action_plan_shell.py", line 192, in take_action
    action_plan.global_efficacy, parsed_args)
  File "/usr/lib/python3.4/site-packages/watcherclient/v1/action_plan_shell.py", line 155, in _format_global_efficacy
    formatted_global_efficacy = format_global_efficacy(global_efficacy)
  File "/usr/lib/python3.4/site-packages/watcherclient/v1/action_plan_shell.py", line 37, in format_global_efficacy
    formatted_global_eff[eff_name] = eff.get('value')
UnboundLocalError: local variable 'eff_name' referenced before assignment

This error raises only if 'unit' attribute of global efficacy is null.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-watcherclient 1.7.0 release.