class_docstr: L1 regularizer.
  
  >>> reg = snt.regularizers.L1(0.01)
  >>> reg([tf.constant([1.0, 2.0, 3.0])])
  <tf.Tensor: ...>
docstr: See base class.
docstr_tok: ["See","base","class","."]
code: def __call__(self, tensors: Sequence[tf.Tensor]) -> tf.Tensor:
      """See base class."""
      if not tensors:
          return tf.zeros_like(self.scale)
  
      return self.scale * tf.add_n(
          [tf.reduce_sum(tf.abs(t)) for t in tensors]
      )
  
imports: import abc
  from typing import Sequence
  from sonnet.src import types
  import tensorflow
label_desc: Use image node_id 3 for calling the L1 obj's underlying member method code with example usage: obj.__call__(tensors) and returns: unknown, tf