class_docstr: Test StringConverter
class_docstr_tok: ["Test","StringConverter"]
docstr: Check that we don't lose a default of 0
docstr_tok: ["Check","that","we","do","n't","lose","a","default","of","0"]
code: def test_keep_default_zero(self):
      "Check that we don't lose a default of 0"
      converter = StringConverter(int, default=0, missing_values="N/A")
      assert_equal(converter.default, 0)
  
imports: import time
  from datetime import date
  import numpy
  from numpy.testing import assert_, assert_equal, assert_allclose, assert_raises
  from numpy.lib._iotools import LineSplitter, NameValidator, StringConverter, has_nested_fields, easy_dtype, flatten_dtype
label_desc: Use image node_id 7 for calling the TestStringConverter obj's underlying member method code with example usage: obj.test_keep_default_zero() without return types