Steps to produce the problem:

1. From https://sheetjs.com/demo/table.html click [Export to XLS!]
2. For comparison, export XLSX and XLSB too.
3. Open the file in Excel 365. In Excel, click [Enable Editing].
4. Ctrl-P to print. ** CRASH **
   OR
5. From https://sheetjs.com/demo/table.html click [Export to XLS!]
6. Open the file in Excel 2010. Excel title bar shows 'compatibility mode'.

Pressing ENTER key has no effect on dialog for adding a new column containing entity identifers (from the Reconcile menu)

To Reproduce

Steps to reproduce the behavior:

1. Reconcile a few cells in a column (already done, see attached OpenRefine project to import)
2. On Species column, choose Reconcile -> Add entity identifiers column
3. Type in a new column name into the input box and p

https://www.audiomack.com/data-api/docs

See starter code in #681

This feature would be needed for at minimum the CelebA dataset.

Nested structures could be stored on disk and documented in schema in a "flat" way, but have nesting in as_dataset and in the FeatureDict (for data gen). Whenever applicable, nesting / un-nesting should be consistent with [`tf.contrib.framework.nest.

When using e.g. AvroSortedBucketIO, if a file pattern is passed as part of the input path, scio should output a helpful error message. Current behavior in 0.9.3 leads to a NullPointerException.

val myEntityPaths: List[String] = List(
  "gs://bucket/dir1/*.avro",
  "gs://bucket/dir2/*.avro",
)
sc.sortMergeCoGroup(
  classOf[String],
  AvroSortedBucketIO
    .read(new TupleTag[MyE