mavproxy crash.... about mavproxy

[davidbuzz]

additional note1:
1 - when MP is direct-connected to the pixhawk in question via serial, it does not hang, there is no issue.

[davidbuzz]

additional note 2:
"wp load wp.txt" seems to crash it too..

STABILIZE> wp save wp.txt
STABILIZE> Requesting 2 waypoints t=Wed Jul 30 22:23:43 2014 now=Wed Jul 30 22:23:43 2014
Saved 2 waypoints to wp.txt

STABILIZE> wp load wp.txt
STABILIZE> Loaded 2 waypoints from wp.txt
Got MAVLink msg: MISSION_ACK {target_system : 255, target_component : 0, type : 0}
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/local/Cellar/python/2.7.7_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 810, in __bootstrap_inner
self.run()
File "/usr/local/Cellar/python/2.7.7_2/Frameworks/Python.framework/Versions/2.7/lib/python2.7/threading.py", line 763, in run
self.__target(_self.__args, *_self.__kwargs)
File "./MAVProxy/mavproxy.py", line 917, in main_loop
process_master(master)
File "./MAVProxy/mavproxy.py", line 697, in process_master
msgs = m.mav.parse_buffer(s)
File "/usr/local/lib/python2.7/site-packages/pymavlink/dialects/v10/ardupilotmega.py", line 3487, in parse_buffer
m = self.parse_char(s)
File "/usr/local/lib/python2.7/site-packages/pymavlink/dialects/v10/ardupilotmega.py", line 3481, in parse_char
self.callback(m, _self.callback_args, *_self.callback_kwargs)
File "./MAVProxy/mavproxy.py", line 634, in master_callback
if m.command == mavutil.mavlink.MAV_CMD_PREFLIGHT_CALIBRATION:
AttributeError: 'MAVLink_mission_ack_message' object has no attribute 'command'

[tridge]

fixed, thanks!