Traceback (most recent call last):
File "/usr/bin/rosdep", line 6, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3088, in <module>
@_call_aside
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3072, in _call_aside
f(*args, **kwargs)
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3101, in _initialize_master_working_set
working_set = WorkingSet._build_master()
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 574, in _build_master
ws.require(__requires__)
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 892, in require
needed = self.resolve(parse_requirements(requirements))
File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 778, in resolve
raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'rosdep==0.20.0' distribution was not found and is required by the application
解决方案,改变系统默认python版本
3 系统级修改
3.1 基于软链接
先删除默认的Python软链接:
sudo rm /usr/bin/python
1
然后创建一个新的软链接指向需要的Python版本:
sudo ln -s /usr/bin/python3.5 /usr/bin/python