ImportError: 'module' object has no attribute 'DataJsonHarvester'

[pck3152]

Recieve the following error in ckan error log
errors.datajon.txt
when attempting to load the datajson_harvester plugin using WSGI:

ImportError: 'module' object has no attribute 'DataJsonHarvester'

Full error text:

I have added the recommended "import ckanext" to the wsgi.py file.

[metaljovi]

in setup.py
change datajson_harvest=ckanext.datajson.plugin:DataJsonHarvester
with datajson_harvest=ckanext.datajson.harvester_datajson:DataJsonHarvester
then run pytho setup.py develop again