PythonPlugin examples do not work with runtime API

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EP comes with a number of Pythonplugin examples (IDF file + python script). I can run them with EP-Launch. But when I try to run them using the API, I get an error. I run them as follows:

api = EnergyPlusAPI(True). # I also tried False or no arguments
state = api.state_manager.new_state()
api.runtime.run_energyplus(state,["-d", outputfolder,"-w",weatherfile, idffile])

The idffile argument in the above code is the example file provided with the EP package. I tried two:

• PythonPlugin1ZoneUncontrolledCondFD.idf
• PythonPluginAirflowNetworkOpeningControlByHumidity.idf

I have no problem running the normal example files (e.g. AbsorptionChiller.idf). But when I try the plugin examples, I get the following error in the err file:

** Severe  ** Found PythonPlugin objects in an IDF that is running in an API/Library workflow...this is invalid

This implies to me that the Python API does not work with Plugins. On the other hand, I have seen nothing in the documentation that suggests this might be case.

Am I doing something wrong?