class_docstr: FloatTensorGenerator generates tf.Tensor with dtype in tf.float32
  or tf.float64.
code: def generate(self):
      shape = self.spec.shape.as_list()
      values = np.random.rand(*shape)
      return tf.convert_to_tensor(
          values, dtype=self.spec.dtype, name=self.spec.name
      )
  
imports: import hashlib
  import numpy
  import tensorflow
  from tests.test_atds_avro.utils.generator.generator_base import Generator
  from tests.test_atds_avro.utils.hash_util import int_to_bytes
label_desc: Use image node_id 2 for calling the FloatTensorGenerator obj's underlying member method code with example usage: obj.generate() and returns: tf