code: def setUp(self):
      self.rows = (
          ("1.7", 2000, "a"),
          ("11.18", None, None),
          ("0", 1, "c"),
      )
  
      self.number_type = Number()
      self.international_number_type = Number(locale="de_DE.UTF-8")
      self.text_type = Text()
  
      self.column_names = ["one", "two", "three"]
      self.column_types = [
          self.number_type,
          self.international_number_type,
          self.text_type,
      ]
  
file_path: agate/tests/test_table/test_print_structure.py
imports: from io import StringIO
  from agate import Table
  from agate.data_types import Number, Text
  from agate.testcase import AgateTestCase
label_desc: Use image node_id 1 for calling the TestPrintStructure obj's underlying member method code with example usage: obj.setUp() without return types