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AttributeError: module 'json_msgs.msg' has no attribute 'Json' #16

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Xuan0319 opened this issue Nov 24, 2022 · 0 comments

Xuan0319 commented Nov 24, 2022

Env:
Ubuntu 20.04 ROS-noetic

Hello,
I run the example code and I got the error below.
any help is appreciate, thanks

publisher = rospy.Publisher(topicName,json_transport.PackedJson,queue_size=10)

class PackedJson(json_msg.Json):
AttributeError: module 'json_msgs.msg' has no attribute 'Json'

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