No module named 'actions_quiz' (ROS BASICS PYTHON)

[AshishVarma]

ERROR

code

Msgs

package

action msgs folder

[girishkumar.kannan]

Hi @AshishVarma ,

Try to recompile your package from scratch after clearing the build folders. That should fix this.

cd ~/catkin_ws
rm -rf ./build ./devel
catkin_make && source devel/setup.bash
rosrun actions_quiz my_script.py

Compile the package first and then do rosrun, otherwise the custom messages won’t be detected.

Regards,
Girish

[AshishVarma]

tried this thing earlier and now as well but it not worked sir.

[AshishVarma]

should i also need to show my cmakelists.txt and package.xml ?

[AshishVarma]

@girishkumar.kannan .

[girishkumar.kannan]

Hi @AshishVarma ,

I think you are missing the shebang on the very first line of your python script.

#! /usr/bin/env python

Try adding this line. Then recompile, source and do rosrun .... I believe it should work now.

Regards,
Girish

[AshishVarma]

Sorry its a screenshot mistake and thats not the actual problem, i follwed this video [ROS Q&A] 189 - How to create a custom message for ROS Actions - YouTube and realised that i didnt add genarate msgs in CMAKELISTS.txt and it solved my issue.

Thanks for the response.