ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

SlowAnnealing's profile - activity

2022-08-11 03:25:53 -0500 received badge  Famous Question (source)
2021-12-14 01:59:19 -0500 received badge  Famous Question (source)
2021-12-14 01:59:19 -0500 received badge  Notable Question (source)
2021-08-09 22:06:29 -0500 received badge  Notable Question (source)
2021-08-09 02:30:23 -0500 received badge  Popular Question (source)
2021-08-08 05:02:22 -0500 marked best answer SyntaxError: invalid syntax for roscore

I tried to install relaunch roscore on Ubuntu 18.04 but got the following error. Any advice is greatly appreciated.

Traceback (most recent call last):
  File "/opt/ros/melodic/bin/roscore", line 72, in <module>
    import roslaunch
  File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/__init__.py", line 52, in <module>
    from . import param_dump as roslaunch_param_dump
  File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/param_dump.py", line 40, in <module>
    import roslaunch.config
  File "/opt/ros/melodic/lib/python2.7/dist-packages/roslaunch/config.py", line 45, in <module>
    import rospkg.distro
  File "/usr/lib/python2.7/dist-packages/rospkg/distro.py", line 44, in <module>
    import yaml
  File "/usr/lib/python3/dist-packages/yaml/__init__.py", line 284
    class YAMLObject(metaclass=YAMLObjectMetaclass):
                              ^
SyntaxError: invalid syntax
2021-08-08 05:01:59 -0500 received badge  Popular Question (source)
2021-08-07 22:30:32 -0500 asked a question data queue in ROS with MQTT client

data queue in ROS with MQTT client I upload the data from ROS to cloud by MQTT client. Can the data be queued up in ROS

2021-07-27 18:42:56 -0500 commented answer SyntaxError: invalid syntax for roscore

I appreciate your expertise, Mike. Your solution works perfect without any impact on conda.

2021-07-27 16:58:36 -0500 commented answer SyntaxError: invalid syntax for roscore

Thanks for your suggestion, Mike. I believe my conda environment disrupt the ROS. The following line in ~/.bashrc was co

2021-07-27 12:13:46 -0500 asked a question SyntaxError: invalid syntax for roscore

SyntaxError: invalid syntax for roscore I tried to install relaunch roscore on Ubuntu 18.04 but got the following error.

2020-01-07 13:41:31 -0500 received badge  Famous Question (source)
2020-01-07 13:41:31 -0500 received badge  Notable Question (source)
2020-01-07 13:41:31 -0500 received badge  Popular Question (source)
2017-11-14 15:54:54 -0500 asked a question lz4 includes not found when Lunar was installing on Ubuntu 16.04

lz4 includes not found when Lunar was installing on Ubuntu 16.04 I try to install Lunar in Ubuntu 16.04. But got the fol