ros 出现 No handlers could be found for logger "roslaunch"

Traceback (most recent call last):
File “/usr/bin/rosversion”, line 11, in
load_entry_point(‘rospkg==1.1.9’, ‘console_scripts’, ‘rosversion’)()
File “/usr/lib/python2.7/dist-packages/rospkg/rosversion.py”, line 104, in main
version = rosstack.get_stack_version(args.package)
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 422, in get_stack_version
return get_stack_version_by_dir(self.get_path(stack))
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 201, in get_path
self._update_location_cache()
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 184, in _update_location_cache
list_by_path(self._manifest_name, path, cache)
File “/usr/lib/python2.7/dist-packages/rospkg/rospack.py”, line 67, in list_by_path
root = ElementTree(None, os.path.join(d, PACKAGE_FILE))
File “/usr/lib/python2.7/xml/etree/ElementTree.py”, line 611, in init
self.parse(file)
File “”, line 38, in parse
IOError: [Errno 5] Input/output error
Invalid tag: Cannot load command parameter [rosversion]: command [rosversion roslaunch] returned with code 1.

Param xml is
The traceback for the exception was written to the log file
No handlers could be found for logger “roslaunch”
问题:此问题没有解决，目前还没有思路不知道有同样的没？

个人引用：> https://blog.csdn.net/softimite_zifeng/article/details/78632211