code: def setUp(self):
      self.c_schema = ffi.new("struct ArrowSchema*")
      self.ptr_schema = int(ffi.cast("uintptr_t", self.c_schema))
      self.c_array = ffi.new("struct ArrowArray*")
      self.ptr_array = int(ffi.cast("uintptr_t", self.c_array))
  
imports: import contextlib
  import gc
  import os
  import unittest
  import pyarrow
  from pyarrow.cffi import ffi
label_desc: Use image node_id 1 for calling the BaseTestGoPython obj's underlying member method code with example usage: obj.setUp() without return types