我按照下载说明进行了操作，使conda env正常工作 但是当我尝试运行示例程序时，我收到一条消息，提示我不知道如何解决
似乎认为opencv在python2中？ 为什么会这样呢？
Traceback (most recent call last):
File "examples/sumo/sugiyama.py", line 11, in
from flow.envs.ring.accel import AccelEnv, ADDITIONAL_ENV_PARAMS
File "/home/airlab/Desktop/RL-Traffic-Lights/flow/flow/envs/init.py", line 2, in
from flow.envs.base import Env
File "/home/airlab/Desktop/RL-Traffic-Lights/flow/flow/envs/base.py", line 10, in
from flow.renderer.pyglet_renderer import PygletRenderer as Renderer
File "/home/airlab/Desktop/RL-Traffic-Lights/flow/flow/renderer/init.py", line 3, in
from flow.renderer.pyglet_renderer import PygletRenderer
File "/home/airlab/Desktop/RL-Traffic-Lights/flow/flow/renderer/pyglet_renderer.py", line 7, in
import cv2
ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv2.so: undefined symbol: PyCObject_Type