Errors in Minimal.launch after installing Fuerte Turtlebot Upgrade

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On Ubuntu Oneiric, following upgrade instructions to Fuerte Turtlebot, http://www.ros.org/wiki/Robots/TurtleBot/fuerte/Robot_Upgrade, roscore started Ok with "minimal.launch" though with several ROS error msgs in addition to a Lenovo x120e "battery" issue I reported in an earlier post:

core service [/rosout] found process[appmaster-1]: started with pid [14537] process[app_manager-2]: started with pid [14538] process[turtlebot_node-3]: started with pid [14539] process[turtlebot_laptop_battery-4]: started with pid [14541] process[robot_state_publisher-5]: started with pid [14543] process[diagnostic_aggregator-6]: started with pid [14548]

/opt/ros/fuerte/stacks/turtlebot/turtlebot_node/nodes/turtlebot_node.py:54: UserWarning: roslib.rosenv is deprecated, please use rospkg or rosgraph.rosenv import roslib.rosenv

process[robot_pose_ekf-7]: started with pid [14581]

turtlebot_apps.installed loading installation data for [turtlebot_apps.installed]

[WARN] [WallTime: 1336438419.701618] Unable to check laptop battery info. Exception: [Errno 2] No such file or directory: '/proc/acpi/battery/BAT0/info' [WARN] [WallTime: 1336438419.702619] Unable to check laptop battery state. Exception: [Errno 2] No such file or directory: '/proc/acpi/battery/BAT0/state'

ERROR: Cannot locate app file for turtlebot_teleop/android_teleop: package is not installed.

[INFO] [WallTime: 1336438419.739866] Starting app manager for turtlebot Traceback (most recent call last): File "/opt/ros/fuerte/stacks/turtlebot/turtlebot_node/nodes/turtlebot_node.py", line 68, in <module> import turtlebot_node.robot_types as robot_types

File "/opt/ros/fuerte/stacks/turtlebot/turtlebot_node/src/turtlebot_node/robot_types.py", line 29, in <module> import create_sensor_handler

File "/opt/ros/fuerte/stacks/turtlebot/turtlebot_node/src/turtlebot_node/create_sensor_handler.py", line 42, in <module> _struct_I = roslib.message.struct_I

AttributeError: 'module' object has no attribute 'struct_I'

[INFO] [WallTime: 1336438419.766782] Waiting for foreign master [http://localhost:11312] to come up... [INFO] [WallTime: 1336438419.772081] Foreign master is available

[INFO] [WallTime: 1336438419.809062] Registering (/turtlebot/app_list,http://10.0.1.6:60690/) on master http://localhost:11312

[INFO] [WallTime: 1336438419.821318] Registering (/turtlebot/application/app_status,http://10.0.1.6:60690/) on master http://localhost:11312 turtlebot_apps.installed loading installation data for [turtlebot_apps.installed]

Suggestions to troubleshoot?