code: def testUnknownShape(self):
      # Need to use placeholder for unknown shape
      with ops.Graph().as_default():
          x = array_ops.placeholder(dtypes.float32)
          datatype = dtypes.int8
          array_ops.bitcast(x, datatype, None)
  
file_path: tensorflow/tensorflow/python/kernel_tests/array_ops/bitcast_op_test.py
imports: import sys
  import numpy
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the BitcastTest obj's underlying member method code with example usage: obj.testUnknownShape() without return types