code: def setUp(self):
      gc.collect()
      self.old_allocated_python = pa.total_allocated_bytes()
      self.bridge = Bridge()
  
imports: import decimal
  import gc
  import os
  import sys
  import unittest
  import xml.etree.ElementTree
  import jpype
  import pyarrow
  import pyarrow.ipc
  from pyarrow.cffi import ffi
label_desc: Use image node_id 2 for calling the TestPythonIntegration obj's underlying member method code with example usage: obj.setUp() without return types