code: def test_delimiter_defaults_to_comma(self):
      assert_equal(formats.DelimitedFormat.delimiter, ",")
  
imports: import os
  import unittest
  from nose.tools import *
  from textblob import formats
  from textblob.compat import unicode
label_desc: Use image node_id 1 for calling the TestDelimitedFormat obj's underlying member method code with example usage: obj.test_delimiter_defaults_to_comma() without return types