No module named 'rospkg.os_detect'

[wqqhao123]

Ubuntu20.04 wget -c https://raw.githubusercontent.com/qboticslabs/ros_install_noetic/master/ros_install_noetic.sh && chmod +x ./ros_install_noetic.sh && ./ros_install_noetic.sh ####################################################

{Step 6: Setting ROS Environment, This will add ROS environment to .bashrc.} { After adding this, you can able to access ROS commands in terminal}

Reading package lists... Done Building dependency tree
Reading state information... Done python3-rosinstall is already the newest version (0.7.8-4). python3-wstool is already the newest version (0.1.18-2). build-essential is already the newest version (12.8ubuntu1.1). python3-rosdep is already the newest version (0.22.2-1). python3-rosinstall-generator is already the newest version (0.1.23-1). 0 upgraded, 0 newly installed, 0 to remove and 182 not upgraded. Traceback (most recent call last): File "/usr/bin/rosdep", line 33, in sys.exit(load_entry_point('rosdep==0.22.2', 'console_scripts', 'rosdep')()) File "/usr/bin/rosdep", line 25, in importlib_load_entry_point return next(matches).load() File "/usr/lib/python3.8/importlib/metadata.py", line 77, in load module = import_module(match.group('module')) File "/usr/lib/python3.8/importlib/init.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "", line 1014, in _gcd_import File "", line 991, in _find_and_load File "", line 961, in _find_and_load_unlocked File "", line 219, in _call_with_frames_removed File "", line 1014, in _gcd_import File "", line 991, in _find_and_load File "", line 975, in _find_and_load_unlocked File "", line 671, in _load_unlocked File "", line 848, in exec_module File "", line 219, in _call_with_frames_removed File "/usr/lib/python3/dist-packages/rosdep2/init.py", line 40, in from .installers import InstallerContext, Installer, \ File "/usr/lib/python3/dist-packages/rosdep2/installers.py", line 36, in from rospkg.os_detect import OsDetect ModuleNotFoundError: No module named 'rospkg.os_detect'