message: Fix pylint error in PR 32893
  Fix pylint error: tensorflow/python/ops/nn_impl.py:1409: [C0301(line-too-long), ] Line too long (103/80)
diff: @@ -1406,7 +1406,8 @@ def batch_normalization(x,
  `tf.nn.moments(..., keepdims=False)` during training, or running averages
  thereof during inference.
  - See equation 11 in Algorithm 2 of source: [Batch Normalization: Accelerating Deep Network Training by
  + See equation 11 in Algorithm 2 of source:
  + [Batch Normalization: Accelerating Deep Network Training by
  Reducing Internal Covariate Shift; S. Ioffe, C. Szegedy]
  (http://arxiv.org/abs/1502.03167).
  