Fixbug: samtools index

tasks/replaceRG.wdl

@@ -11,7 +11,7 @@ task replaceRG {
 
   command <<<
     samtools addreplacerg -r "@RG\tID:${group}\tSM:${sample}\tPL:${pl}" -o ${bam_name}.bam ${bam}
-    samtools index ${bam_name}.bam ${bam_name}.bam.bai
+    samtools index ${bam_name}.bam
   >>>
 
   runtime {