private TemplateTermSet expandColumnTemplateTermForPyTransforms(
String hNodeId, ColumnTemplateTerm cnTerm) {
TemplateTermSet tts = null;
String pythonCommand = worksheet.getMetadataContainer().getColumnMetadata().getColumnPython(hNodeId);
List<PythonTransformationToken> tokens = PythonTransformationAsURITokenizer.tokenize(pythonCommand);
PythonTransformationAsURIValidator validator = new PythonTransformationAsURIValidator();
if(validator.validate(tokens))
{
tts = this.transformationToTemplateTermSet.translate(tokens, hNodeId);
}
else
{