Task that isn't supplied an input builds even though the wdl would fail

[jsotobroad]

This doesn't throw an error but maybe should? There is no value passed for vcfs. The circle does turn white instead of black but that didn't make me feel like my wdl wont compile now if I run it as is but that is what would end up happening.

task CombineVCFs {
  Array[String] vcfs
  Array[String] vcf_indices
  String combined_vcf_name
  Int disk_size
  String gcr_project
  Int preemptible_tries
  
  command {

  }
...
}

call CombineVCFs {
      input:
        vcf_indices = IndexTsv.array_of_arrays[idx],
        combined_vcf_name = callset_name + "." + idx + ".vcf.gz",
        disk_size = disk_size,
        gcr_project = gcr_project,
        preemptible_tries = preemptible_tries,
 }