https://github.com/GSA/enterprise-data-inventory/issues/34: Problem of resource being required for all datasets

package.py

           if not data_provided and save_action != "go-dataset-complete":
                if save_action == 'go-dataset':
                    # go to final stage of adddataset
                    redirect(h.url_for(controller='package',
                                       action='edit', id=id))
                # see if we have added any resources
                try:
                    data_dict = get_action('package_show')(context, {'id': id})
                except NotAuthorized:
                    abort(401, _('Unauthorized to update dataset'))
                except NotFound:
                    abort(404,
                      _('The dataset {id} could not be found.').format(id=id))
                if not len(data_dict['resources']):
                    # no data so keep on page
                    msg = _('You must add at least one data resource')
                    # On new templates do not use flash message
                    if g.legacy_templates:
                        h.flash_error(msg)
                        redirect(h.url_for(controller='package',
                                           action='new_resource', id=id))
                    else:
                        errors = {}
                        error_summary = {_('Error'): msg}
                        return self.new_resource(id, data, errors, error_summary)
                # we have a resource so let them add metadata
                redirect(h.url_for(controller='package',
                                   action='new_metadata', id=id))