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我用的是ros-melodic版本,python版本是3.6.9,但是在导入tf2_ros模块时,会提示如下错误:''' Traceback (most recent call last): file "/home/hanning/ robot_ws/src/motor-ctrl/scripts/generate_odom.py",line10,in import tf2_ros 文件 "/opt/ros/melodic/lib/python2.7/dist-packages/tf2_py/init .py ",line38,in from rf2_py import * file "/opt/ros/melodic/lib/python2.7/dist-packages/tf2_py/init .py ",line38,in from ._tf2 import * ImportError:dynamic module does not define module export function (PyInit__tf2) ''' 我尝试创建一个虚拟空间,但没有成功。

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