code: def get_ld_score_mt(self):
      ht = hl.import_table(
          doctest_resource("ldsc.annot"),
          types={
              "BP": hl.tint,
              "CM": hl.tfloat,
              "binary": hl.tint,
              "continuous": hl.tfloat,
          },
      )
      ht = ht.annotate(locus=hl.locus(ht.CHR, ht.BP))
      ht = ht.key_by("locus")
  
      mt = hl.import_plink(
          bed=doctest_resource("ldsc.bed"),
          bim=doctest_resource("ldsc.bim"),
          fam=doctest_resource("ldsc.fam"),
      )
      return mt.annotate_rows(
          binary=ht[mt.locus].binary, continuous=ht[mt.locus].continuous
      )
  
imports: import numpy
  import hail
  import unittest
  import pytest
  from ..helpers import *
  from hail.utils import new_temp_file
label_desc: Use image node_id 1 for calling the Tests obj's underlying member method code with example usage: obj.get_ld_score_mt() and returns: mt