code: def is_dense_tensor(t):
      # TODO(mdan): Resolve this inconsistency.
      return tensor_util.is_tf_type(t) and not isinstance(
          t, sparse_tensor.SparseTensor
      )
  
file_path: tensorflow-upstream/tensorflow/python/autograph/utils/tensors.py
imports: from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.ops import tensor_array_ops
label_desc: Use image node_id 1 for calling a global function with example usage: is_dense_tensor(t) and returns: unknown