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import _Twist

geometery_msgs

asked 2017-05-01 01:45:58 -0500

little_bob
88 ●12 ●17 ●25

the code on the book <ros by="" example="">and the tutorials are something like this:from geometry_msgs.msg import Twist,but when I type from geometry_msgs.msg import T,the sublime auto-completes it to this:from geometry_msgs.msg import _Twist.An underscore appears.Is it OK?And I find there is only _Twist.py in /opt/ros/hydro/lib/python2.7/dist-packages/geometry_msgs/msg