Docstring update.

Change: 149927311

tensorflow/python/ops/tensor_array_ops.py

@@ -363,6 +363,7 @@ class TensorArray(object):
 
     If input value shapes have rank-`R`, then the output TensorArray will
     contain elements whose shapes are rank-`(R-1)`.
+
     Args:
       value: (N+1)-D.  Tensor of type `dtype`.  The Tensor to unstack.
       name: A name for the operation (optional).