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ROS Noetic uses Python3 instead of Python2 and not all the ROS packages work directly on ROS Noetic. I found this solution for your problem:

Jul 18, 2019 · Switching between Python 2 and Python 3 like that is absolutely certainly going to fail; they are two different languages. As your project is apparently written for Python 2 that's what you should use.

I also checked my ros has rospy package available. BUt, I dont understand why I am having trouble running my script file? rosrun rvo example.py.

08.03.2021 · Depending on your ROS version and respectively the one of rospkg you may need to stick to python 2.x or 3.x. Your script is calling python3 interpreter #!/usr/bin/env python3

External rospkg documentation. Quick reference. Installing rospkg. Do prefer apt over pip as it's updated automatically and faster. sudo apt-get install python-rospkg. On non ubuntu platforms. Use pip: sudo pip install -U rospkg. Bugs/Feature Requests. View or file new issues on GitHub

Mar 09, 2021 · Depending on your ROS version and respectively the one of rospkg you may need to stick to python 2.x or 3.x. Your script is calling python3 interpreter #!/usr/bin/env python3

22.03.2020 · python-rosdep is not installed by apt install ros-melodic-ros-base or apt install ros-melodic ... not found Tiryoh/docker-ros-melodic-desktop#2. Closed Tiryoh mentioned this ... python (2 2.7) python-catkin-pkg (2 0.4.0) python-rosdistro (2 0.7.5) python-rospkg (2 1.1.10) python-yaml (0 (null)) python:any (2 2.6.6-7~) ca ...

17.07.2019 · Hello, I have developed a custom control algorithm for mz robot in gazebo. Untile yesterday I used to use roslaunch spider_gazebo spider_world.launch to spawn the robot and load control configurations in gazebo and then in another terminal i used to export ROS_MASTER_URI and then use rosrun spider_control control.py to run my custom python plugin.

It has files roslib, rospy, rosnode, rosmsg etc., but not rospkg. Could that be the problem? Update: Sep 28, 2012: According to Lorenz's suggestion, I have found that rospkg is in /usr/lib/pymodules/python2.7 .

... "/opt/ros/melodic/lib/python2.7/dist-packages/roslib/launcher.py", line 42, in <module> import rospkg ModuleNotFoundError: No module ...

$ roslaunch arm robot_spawn.launch Command 'roslaunch' not found, but can be installed with: sudo apt install python-roslaunch... Stack Exchange Network Stack Exchange network consists of 178 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Running ROS melodic on Ubuntu 18.04 and I keep getting this error. $ roslaunch arm robot_spawn.launch Command 'roslaunch' not found, but can be installed ...

rospkg 1.3.0. pip install rospkg. Copy PIP instructions. Latest version. Released: Mar 31, 2021. ROS package library ...

$ roslaunch arm robot_spawn.launch Command 'roslaunch' not found, but can be installed with: sudo apt install python-roslaunch... Stack Exchange Network Stack Exchange network consists of 178 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Jul 16, 2021 · Dear support, sudo apt install locales The following packages have unmet dependencies: python3-rosdep-modules : Depends: python3-rospkg-modules (>= 1.3.0) but it is not going to be installed Depends: python3-catkin-pkg-modules (>= 0.4.0) but it is not going to be installed Depends: python3-rosdistro-modules (>= 0.7.5) but it is not going to be installed please advise. thanks -R

... File "/opt/ros/melodic/lib/python2.7/dist-packages/roslib/launcher.py", line 42, in import rospkg ModuleNotFoundError: No module named ...

22.04.2020 · 写在前面 自己的测试环境是：ubuntu16.04 下安装了Anaconda3。当前实验是在 base 环境下运行ROS，运行 rosrun rqt_tf_tree rqt_tf_tree 和 rosrun rqt_graph rqt_graph 时出现报错 ModuleNotFoundError: No module named 'rospkg' ，在此记录一下解决方法～～ 一、问题描述 自己在ubuntu16.04 下安装了Anaconda3后，在 base 环境下运行ROS，当 ...

Jun 01, 2020 · I'm sorry, but the ROS Wrapper has not yet been tested with Ubuntu 20.04 and ROS Noetic. ROS Noetic uses Python3 instead of Python2 and not all the ROS packages work directly on ROS Noetic. I found this solution for your problem:

Depends: python3-rospkg-modules (>= 1.3.0) but it is not going to be installed ... install' doesn't help while installing ROS Melodic on Ubuntu 18.04 LTS.

ROS is performed rosrun rqt_graph given No module named 'rospkg'. Others 2019-06-24 11:43:20 views: null. Environment: ubuntu18.04 + ROS Melodic

External rospkg documentation. Quick reference. Installing rospkg. Do prefer apt over pip as it's updated automatically and faster. sudo apt-get install python-rospkg. On non ubuntu platforms. Use pip: sudo pip install -U rospkg. Bugs/Feature Requests. View or file new issues on GitHub

It has files roslib, rospy, rosnode, rosmsg etc., but not rospkg. Could that be the problem? Update: Sep 28, 2012: According to Lorenz's suggestion, I have found that rospkg is in /usr/lib/pymodules/python2.7 .

ModuleNotFoundError: No module named 'rospkg' ... in <module> import rospy File "/opt/ros/melodic/lib/python2.7/dist-packages/rospy/__init__.py", line 49, ...