Improve symbol visibility when importing

[klecki]

Category: Bug fix?

Description:

The PEP describing stub files: https://peps.python.org/pep-0484/#stub-files
mandates using from A import X as X syntax in stub files to mark symbols as
reexported. The same syntax is used inside the regular module, making the
VSCode intellisense pick up the adjusted symbols better.

In case of import nvidia.dali.types as t, we had:

t.DALIDat<space> # not working
t.DALIDataType.<space> # list the enum members correctly

now, the intellisense lists the enum types correctly:

Additional information:

Affected modules and functionalities:

nvidia.dali.types symbol visibility in some code completion engines.

Key points relevant for the review:

Tests:

• Existing tests apply
• New tests added
  • Python tests
  • GTests
  • Benchmark
  • Other
• N/A

Checklist

Documentation

• Existing documentation applies
• Documentation updated
  • Docstring
  • Doxygen
  • RST
  • Jupyter
  • Other
• N/A

DALI team only

Requirements

• Implements new requirements
• Affects existing requirements
• N/A

REQ IDs: N/A

JIRA TASK: N/A

[klecki]

!build

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