Fixed missing return value for enableMetrics default method 
Fixed missing return value for enableMetrics default method 
robsyme/nextflow,robsyme/nextflow,heuermh/nextflow,heuermh/nextflow,robsyme/nextflow,heuermh/nextflow,robsyme/nextflow,robsyme/nextflow,heuermh/nextflow,heuermh/nextflow,nextflow-io/nextflow,nextflow-io/nextflow,nextflow-io/nextflow,nextflow-io/nextflow,nextflow-io/nextflow