message: Update the doc in map() where the need to use python function has a few options instead of two.
diff: @@ -1578,7 +1578,7 @@ name=None))
  Note that irrespective of the context in which `map_func` is defined (eager
  vs. graph), tf.data traces the function and executes it as a graph. To use
  - Python code inside of the function you have two options:
  + Python code inside of the function you have a few options:
  1) Rely on AutoGraph to convert Python code into an equivalent graph
  computation. The downside of this approach is that AutoGraph can convert
  