code: def test_concordance_no_values_doesnt_error(self):
      dataset = get_dataset().filter_rows(False)
      _, cols_conc, rows_conc = hl.concordance(dataset, dataset)
      cols_conc._force_count()
      rows_conc._force_count()
  
imports: import unittest
  import hail
  import hail.expr.aggregators
  from hail.utils.misc import new_temp_file
  from ..helpers import *
  from hail.methods.qc import VEPConfigGRCh37Version85, VEPConfigGRCh38Version95
label_desc: Use image node_id 9 for calling the Tests obj's underlying member method code with example usage: obj.test_concordance_no_values_doesnt_error() without return types