Update: workflow operator

workflow.wdl

@@ -668,7 +668,7 @@ workflow {{ project_name }} {
       }
     }
 
-    if (varscan & normal_deduped_bam != "") {
+    if (varscan && normal_deduped_bam != "") {
       call somatic.somatic as somatic_fb {
         input:
         sample=sample_id,