code: def testFormatOneVariableOneDim(self):
      with self.cached_session():
          var = variables.Variable(math_ops.range(10))
          format_output = string_ops.string_format("{}", [var])
          if not context.executing_eagerly():
              self.evaluate(variables.global_variables_initializer())
          out = self.evaluate(format_output)
          expected = "[0 1 2 ... 7 8 9]"
          self.assertEqual(compat.as_text(out), expected)
  
imports: from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import string_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 3 for calling the StringFormatOpTest obj's underlying member method code with example usage: obj.testFormatOneVariableOneDim() without return types