listing modules fails if service does not exist

[DaveYesland]

Traceback (most recent call last):
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 1830, in run_gui
    else:
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 1687, in idle
    new_session = arg.new_session
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 1685, in idle
    arg = args[0]
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 598, in parse_command
    self.parse_search_command(command)
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 768, in parse_list_command
    elif len(command) == 3:
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 1170, in list_modules
    continue
  File "/mnt/c/Users/rhino/Desktop/dev/pacu/pacu/main.py", line 355, in get_regions
    valid_regions = regions[service]
<class 'KeyError'>: 'monitoring