message: Update check_ops.py
diff: @@ -1593,12 +1593,12 @@ def assert_shapes_v2(shapes, data=None, summarize=None, message=None,
  Example:
  ```python
  - tf.assert_shapes([
  + tf.assert_shapes({
  (x, ('N', 'Q')),
  (y, ('N', 'D')),
  (param, ('Q',)),
  (scalar, ()),
  - ])
  + })
  ```
  If `x`, `y`, `param` or `scalar` does not have a shape that satisfies
  