site_tag_filter = Filter(SiteTag.fields, {'site_tag_id': site_tag_filter})
elif isinstance(site_tag_filter, dict):
site_tag_filter = Filter(SiteTag.fields, site_tag_filter)
site_tag_filter = Filter(SiteTag.fields, {'site_tag_id': site_tag_filter})
elif isinstance(site_tag_filter, dict):
site_tag_filter = Filter(SiteTag.fields, site_tag_filter)