small style changes

CPAT.wdl

@@ -30,7 +30,7 @@ task CPAT {
     }
 
     output {
-        File outFile=outFilePath
+        File outFile = outFilePath
     }
 
     runtime {

collect-columns.wdl

@@ -37,7 +37,7 @@ task CollectColumns {
     }
 
     runtime {
-        memory: 4 + ceil(0.5* length(inputTables))
+        memory: 4 + ceil(0.5 * length(inputTables))
         docker: dockerImage
     }
 }
\ No newline at end of file

somaticseq.wdl

@@ -273,7 +273,7 @@ task ModifyStrelka {
         String installDir = "/opt/somaticseq/vcfModifier" #the location in the docker image
 
         File strelkaVCF
-        String? outputVCFName = basename(strelkaVCF, ".gz")
+        String outputVCFName = basename(strelkaVCF, ".gz")
 
         Int threads = 1
         String dockerImage = "lethalfang/somaticseq:3.1.0"