Fix the error that allowed function(,) and similar
Fix the error that allowed function(,) and similar

jbeda/jsonnet,sparkprime/jsonnet,google/jsonnet,Neeke/jsonnet,sparkprime/jsonnet,google/jsonnet,sparkprime/jsonnet,sparkprime/jsonnet,jbeda/jsonnet,sparkprime/jsonnet,Neeke/jsonnet,google/jsonnet,Neeke/jsonnet,lamuguo/jsonnet,Neeke/jsonnet,google/jsonnet,davidzchen/jsonnet,Neeke/jsonnet,huggsboson/jsonnet,davidzchen/jsonnet,lamuguo/jsonnet,google/jsonnet,jbeda/jsonnet,lamuguo/jsonnet,huggsboson/jsonnet,huggsboson/jsonnet,huggsboson/jsonnet,davidzchen/jsonnet,lamuguo/jsonnet,jbeda/jsonnet,google/jsonnet,lamuguo/jsonnet,huggsboson/jsonnet,davidzchen/jsonnet,sparkprime/jsonnet,davidzchen/jsonnet,jbeda/jsonnet