jacquard/utils/vcf.py
def _format_field(self):
        """Returns string representation of format field."""
        format_field = "."
        if self.sample_tag_values:
            first_sample = list(self.sample_tag_values.keys())[0]
            tag_names = self.sample_tag_values[first_sample].keys()
            if tag_names:
                format_field = ":".join(tag_names)
        return format_field
def _format_field(self):
        """Returns string representation of format field."""
        format_field = "."
        if self.sample_tag_values:
            first_sample = list(self.sample_tag_values.keys())[0]
            tag_names = self.sample_tag_values[first_sample].keys()
            if tag_names:
                format_field = ":".join(tag_names)
        return format_field
Returns string representation of format field.