......

tasks/fastp.wdl

     File read2
     String adapter_sequence
     String adapter_sequence_r2
-    String docker
-    String cluster
+    String fastp_docker
+    String fastp_cluster
     String umi_loc	
     Int trim_front1 
     Int trim_tail1 

workflow.wdl

 import "./tasks/fastp.wdl" as fastp
-
-workflow {{ project_name }} {
-	
+workflow {{ project_name }} {	
 	File inputSamplesFile
 	Array[Array[File]] inputSamples = read_tsv(inputSamplesFile)
-	
 	scatter (quartet in inputSamples){
-
 		call fastp.fastp as fastp {
 		input: 
 		sample_id=quartet[2],