message: Fixing up docs for make_parse_example_spec
diff: @@ -766,17 +766,18 @@ def make_parse_example_spec_v2(feature_columns):
  ```python
  # Define features and transformations
  - feature_a = categorical_column_with_vocabulary_file(...)
  - feature_b = numeric_column(...)
  - feature_c_bucketized = bucketized_column(numeric_column("feature_c"), ...)
  - feature_a_x_feature_c = crossed_column(
  + feature_a = tf.feature_column.categorical_column_with_vocabulary_file(...)
  + feature_b = tf.feature_column.numeric_column(...)
  + feature_c_bucketized = tf.feature_column.bucketized_column(
  + tf.feature_column.numeric_column("feature_c"), ...)
  + feature_a_x_feature_c = tf.feature_column.crossed_column(
  columns=["feature_a", feature_c_bucketized], ...)
  feature_columns = set(
  [feature_b, feature_c_bucketized, feature_a_x_feature_c])
  features = tf.io.parse_example(
  serialized=serialized_examples,
  - features=make_parse_example_spec(feature_columns))
  + features=tf.feature_column.make_parse_example_spec(feature_columns))
  ```
  For the above example, make_parse_example_spec would return the dict:
  