code: def testParseEmptyRangeString(self):
      self.assertEqual([], command_parser.parse_ranges(""))
      self.assertEqual([], command_parser.parse_ranges("  "))
  
imports: import sys
  from tensorflow.python.debug.cli import command_parser
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 1 for calling the ParseRangesTest obj's underlying member method code with example usage: obj.testParseEmptyRangeString() without return types