docs: def format_info(variant, variant_type='snv'):
      """Format the info field for SNV variants
      
      Args:
          variant(dict)
          variant_type(str): snv or sv
      
      Returns:
          vcf_info(str): A VCF formated info field
      """
      
      observations = variant.get('observations',0)
  
      homozygotes = variant.get('homozygote')
      hemizygotes = variant.get('hemizygote')
  
      
      vcf_info = f"Obs={observations}"
      if homozygotes:
          vcf_info += f";Hom={homozygotes}"
      if hemizygotes:
          vcf_info += f";Hem={hemizygotes}"
  
      # This is SV specific
      if variant_type == 'sv':
          end = int((variant['end_left'] + variant['end_right'])/2)
          
          vcf_info += f";SVTYPE={variant['sv_type']};END={end};SVLEN={variant['length']}"
  
      return vcf_info