code: def test_value_refcounts_custom_seq(self):
      class CustomSeq:
          def __init__(self, data):
              self.data = data
  
          def __getitem__(self, item):
              return self.data[item]
  
          def __iter__(self):
              return iter(self.data)
  
      self._test_getitem_value_refcounts_new(CustomSeq)
  
imports: import sys
  from sqlalchemy import Column
  from sqlalchemy import create_engine
  from sqlalchemy import Integer
  from sqlalchemy import String
  from sqlalchemy import Table
  from sqlalchemy import testing
  from sqlalchemy import Unicode
  from sqlalchemy.engine.row import Row
  from sqlalchemy.testing import AssertsExecutionResults
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import fixtures
  from sqlalchemy.testing import profiling
label_desc: Use image node_id 4 for calling the RowTest obj's underlying member method code with example usage: obj.test_value_refcounts_custom_seq() and returns: self, iter