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It might be because you haven't done a spin() anywhere. I'm pretty sure TF needs spin() to work too.
Also, you could increase the timeout duration (rospy.Duration(0.1)) to something bigger, like 2-3 seconds (rospy.Duration(3.0).
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It might be because you haven't done a spin() anywhere. I'm pretty sure TF needs spin() to work too.
Also, you could increase the timeout duration (rospy.Duration(0.1)) to something bigger, like 2-3 seconds (rospy.Duration(3.0).
EDIT:
Have you looked at this tutorial? It tries to basically do the same as you're doing.
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