code: def testEvaluateExpressionWithUnmatchedBacktick(self):
      dump = test.mock.MagicMock()
      ev = evaluator.ExpressionEvaluator(dump)
      with self.assertRaises(SyntaxError):
          ev.evaluate("np.matmul(`a:0`, `b:0`) + `b:0")
  
imports: import numpy
  from tensorflow.python.debug.cli import evaluator
  from tensorflow.python.debug.lib import debug_data
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 7 for calling the EvaluatorTest obj's underlying member method code with example usage: obj.testEvaluateExpressionWithUnmatchedBacktick() without return types