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" $ rospack depends beginner_tutorials" error

asked 2017-08-22 02:36:59 -0600

PerOve gravatar image

updated 2017-08-22 05:49:12 -0600

Straight dump of console output:

ImportError: No module named rosdep2.rospack
ImportError: No module named rosdep2.rospack
[rospack] Error: could not find python module 'rosdep2.rospack'. is rosdep up-to-date (at least 0.10.4)?
$ env | grep ROS
ROS_ROOT=/opt/ros/lunar/share/ros
ROS_PACKAGE_PATH=/home/perove/catkin_ws/src:/opt/ros/lunar/share
ROS_MASTER_URI=http://localhost:11311
ROSLISP_PACKAGE_DIRECTORIES=/home/perove/catkin_ws/devel/share/common-lisp
ROS_DISTRO=lunar
ROS_ETC_DIR=/opt/ros/lunar/etc/ros
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gvdhoorn gravatar image gvdhoorn  ( 2017-08-22 02:39:36 -0600 )edit

What is the cause of this error.? I have subsequently re-installed a new kinetic instance in a virtual machine ubuntu 16.04 with python 3.6 (default). It appears to run now. I previously ran with 2.7 environment (Anaconda).. this now gives the same error. What Python should be used?

PerOve gravatar image PerOve  ( 2017-08-22 04:31:46 -0600 )edit

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answered 2017-08-22 04:34:08 -0600

gvdhoorn gravatar image

updated 2017-08-22 04:36:00 -0600

Lunar only supports Python 2.7 (see REP-3 and (fi) #q269143). If you want to use Anaconda, you'll have to make sure that all ROS Python packages have been installed for that as Anaconda does not use the default / system Python packages. That is most likely why you are getting that error.

There have been quite some questions and answers about Anaconda posted/resolved recently, so a search should provide some pointers.

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Asked: 2017-08-22 02:36:59 -0600

Seen: 333 times

Last updated: Aug 22 '17