code: def tearDown(self):
      self.cur.close()
      self.con.close()
  
imports: import datetime
  import unittest
  import sqlite3
  import weakref
  import functools
  from test import support
  from unittest.mock import patch
  from .util import memory_database, cx_limit
  from .util import MemoryDatabaseMixin
label_desc: Use image node_id 2 for calling the RecursiveUseOfCursors obj's underlying member method code with example usage: obj.tearDown() without return types