code: def vector(length):
      """Returns a shape representing a vector.
  
      Args:
        length: The length of the vector, which may be None if unknown.
  
      Returns:
        A TensorShape representing a vector of the given length.
      """
      return TensorShape([length])
  
imports: from .None import compat, dtypes
  from tensorboard.compat.proto import tensor_shape_pb2
label_desc: Use image node_id 5 for calling a global function with example usage: vector(length) and returns: TensorShape