I get this error

  File "/home/chris/ros/ros/core/roslib/src/roslib/message.py", line 301, in
__init__
    raise TypeError, "Invalid number of arguments, args should be
%s"%str(self.__slots__)+" args are"+str(args)
TypeError: Invalid number of arguments, args should be ['header', 'height',
'width', 'encoding', 'is_bigendian', 'step', 'data'] args are(header:
  seq: 0
  stamp:
    secs: 1290467094
    nsecs: 328996057
  frame_id: /kinect_depth
height: 480
width: 640
encoding: mono8
is_bigendian: 0
step: 640
data:
ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿýýÿýÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿýýÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿýÿùùÿÿùõýõÿÿýýÿÿÿÿÿýùùõùùùùùùùùÿÿÿÿýÿýýùùùùýÿÿÿÿÿýýùùùùùùùýýýýýùõõõõõùõùùùùõõõõõùùõõõõõõõõõõõõõõõõõõññõññññññññññññññññññõñññññññíññññññññññõõõõÿÿÿÿÿÿÿÿÿõõñññíííééééñññññññññññññíññññññññííííí

I'm sure I'm trying to publish send_msg/Image data to image_view which
accepts the data

rosbag info ~/bagfiles/kinectDepthVideo.bag
path:        /home/chris/bagfiles/kinectDepthVideo.bag
version:     2.0
duration:    25.1s
start:       Nov 23 2010 10:04:54.33 (1290467094.33)
end:         Nov 23 2010 10:05:19.43 (1290467119.43)
size:        220.7 MB
messages:    753
compression: none [251/251 chunks]
types:       sensor_msgs/Image [060021388200f6f0f447d0fcd9c64743]
topics:      /kinect/depth/image_raw   753 msgs @ 29.8 Hz :
sensor_msgs/Image