node_tag_filter = Filter(NodeTag.fields, {'node_tag_id': node_tag_filter})
elif isinstance(node_tag_filter, dict):
node_tag_filter = Filter(NodeTag.fields, node_tag_filter)
node_tag_filter = Filter(NodeTag.fields, {'node_tag_id': node_tag_filter})
elif isinstance(node_tag_filter, dict):
node_tag_filter = Filter(NodeTag.fields, node_tag_filter)