code: def testNarrowRange(self):
      self._testDequantizeOp(
          np.array([-128, 0, 127]),
          -1.0,
          2.0,
          dtypes.qint8,
          mode="SCALED",
          narrow_range=True,
      )
      self._testDequantizeOp(
          np.array([-2, 4, -17]),
          -5.0,
          -3.0,
          dtypes.qint8,
          mode="SCALED",
          narrow_range=True,
      )
      self._testDequantizeOp(
          np.array([0, -4, 42, -108]),
          5.0,
          40.0,
          dtypes.qint8,
          mode="SCALED",
          narrow_range=True,
      )
  
file_path: tensorflow/tensorflow/python/ops/dequantize_op_test.py
imports: import numpy
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the DequantizeOpTest obj's underlying member method code with example usage: obj.testNarrowRange() without return types