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You cannot call a service using a publisher. This is simply the wrong way to do this.
You need to use a ServiceClient. Have a look at the python tutorial on creating a ServiceClient for how to do this. Then, use the respective service type in your script.
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You cannot call a service using a publisher. This is simply the wrong way to do this.
You need to use a ServiceClient. Have a look at the python tutorial on creating a ServiceClientServiceClient (or ServiceProxy) for how to do this.
Then, use the respective service type in your script.
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