Fix auto-documentation for the data_format plugins

[vinnamkim]

Signed-off-by: Kim, Vinnam vinnam.kim@intel.com

Summary

• Because of the recent refactoring for data_format plugins, auto documentation from Python code has been failed for those files affected by the previous refactoring work. Please refer to this page.
• This PR fixes it.

How to test

Before fix	After fix

Checklist

• I submit my changes into the develop branch
• I have added description of my changes into CHANGELOG
• I have updated the documentation accordingly
• I have added tests to cover my changes
• I have linked related issues

License

• I submit my code changes under the same MIT License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below)

# Copyright (C) 2021 Intel Corporation
#
# SPDX-License-Identifier: MIT

[codecov-commenter]

Codecov Report

Base: 83.92% // Head: 83.92% // No change to project coverage 👍

Coverage data is based on head (f91bb78) compared to base (98ae851).
Patch has no changes to coverable lines.

❗ Current head f91bb78 differs from pull request most recent head 662b069. Consider uploading reports for the commit 662b069 to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #793   +/-   ##
========================================
  Coverage    83.92%   83.92%           
========================================
  Files          173      173           
  Lines        22739    22739           
  Branches      4946     4946           
========================================
  Hits         19084    19084           
  Misses        2535     2535           
  Partials      1120     1120           

Flag	Coverage Δ
macos-11_Python-3.10	?
macos-11_Python-3.7	83.52% <ø> (ø)
macos-11_Python-3.8	83.77% <ø> (ø)
macos-11_Python-3.9	83.77% <ø> (-0.01%)	⬇️
ubuntu-20.04_Python-3.10	83.84% <ø> (ø)
ubuntu-20.04_Python-3.7	83.53% <ø> (ø)
ubuntu-20.04_Python-3.8	83.77% <ø> (+<0.01%)	⬆️
ubuntu-20.04_Python-3.9	83.78% <ø> (ø)
windows-2019_Python-3.10	83.81% <ø> (+<0.01%)	⬆️
windows-2019_Python-3.7	83.49% <ø> (ø)
windows-2019_Python-3.8	83.72% <ø> (ø)
windows-2019_Python-3.9	83.74% <ø> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[wonjuleee]

Thank you very much for fixing this!