code: def create_vcf_report(
      variants, output_basename, title=None, vcf_reader=None
  ):
      """Calculate VCF stats and create a visual report."""
      vis_data = _compute_variant_stats_for_charts(
          variants=variants, vcf_reader=vcf_reader
      )
  
      vcf_stats_vis.create_visual_report(
          basename=output_basename, vis_data=vis_data, title=title
      )
  
imports: import collections
  import itertools
  import math
  import numpy
  from third_party.nucleus.util import variant_utils
  from third_party.nucleus.util import variantcall_utils
  from deepvariant import vcf_stats_vis
label_desc: Use image node_id 19 for calling a global function with example usage: create_vcf_report(variants, output_basename, title, vcf_reader) without return types