ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv2.so: undefined symbol: PyCObject_Type

本文提供了解决ROS(Robot Operating System)与OpenCV库版本冲突的方法,通过调整Python路径,确保OpenCV能正确导入,适用于Kinetic版本的ROS。

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解决办法:

import sys
if '/opt/ros/kinetic/lib/python2.7/dist-packages' in sys.path: sys.path.remove('/opt/ros/kinetic/lib/python2.7/dist-packages')
import cv2

实际效果图如下:

 

(hrl) yangs@yangs:~/hrl-nav$ python -m examples.test --scenario atc --low_level_agent_params /home/yangs/hrl-nav/tmp/hrl_nav_logs/NavGymRewardRandomize-v0/hrl/2025_05_18_19_31_32/seed_0/low_level/itr_120.pkl --high_level_agent_params /home/yangs/hrl-nav/tmp/hrl_nav_logs/NavGymHierarchical-v0/hrl/2025_05_19_18_04_58/seed_0/high_level/itr_80.pkl --spec atc rlkit/envs/wrappers/__init__.py: can not import ImageMujocoEnv. Mujoco not installed Traceback (most recent call last): File "/home/yangs/anaconda3/envs/hrl/lib/python3.6/runpy.py", line 193, in _run_module_as_main "__main__", mod_spec) File "/home/yangs/anaconda3/envs/hrl/lib/python3.6/runpy.py", line 85, in _run_code exec(code, run_globals) File "/home/yangs/hrl-nav/examples/test.py", line 12, in <module> from nav_gym_env.ros_env import RosEnv File "/home/yangs/catkin_ws/src/nav-gym/nav_gym/src/nav_gym_env/ros_env.py", line 13, in <module> from tf.transformations import quaternion_from_euler File "/opt/ros/melodic/lib/python2.7/dist-packages/tf/__init__.py", line 30, in <module> from tf2_ros import TransformException as Exception, ConnectivityException, LookupException, ExtrapolationException File "/opt/ros/melodic/lib/python2.7/dist-packages/tf2_ros/__init__.py", line 38, in <module> from tf2_py import * File "/opt/ros/melodic/lib/python2.7/dist-packages/tf2_py/__init__.py", line 38, in <module> from ._tf2 import * ImportError: dynamic module does not define module export function (PyInit__tf2)什么错误原因
最新发布
07-08
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