code: def test_column_refcount(self):
      # Reproduce crash describe in ticket #1252
      from psycopg2.extensions import Column
  
      def do_stuff():
          _ = Column(name="my_column")
  
      for _ in range(1000):
          do_stuff()
  
imports: import gc
  import sys
  import time
  import ctypes
  import pickle
  import psycopg2
  import psycopg2.extensions
  import unittest
  from datetime import date
  from decimal import Decimal
  from weakref import ref
  from .testutils import ConnectingTestCase, skip_before_postgres, skip_if_no_getrefcount, slow, skip_if_no_superuser, skip_if_windows, skip_if_crdb, crdb_version
  import psycopg2.extras
label_desc: Use image node_id 17 for calling the CursorTests obj's underlying member method code with example usage: obj.test_column_refcount() without return types