Fix Flake 6.1 Quality Errors

[Satrat]

flake8 was updated from 6.0 to 6.1, causing a new error when running make quality. I updated the offending lines to compare types with is/is not rather than ==/!=

Before Change:

(.venv) sadkins@nmgpuserver3:~/deepsparse$ make quality
Running copyright checks
python3 utils/copyright.py quality 'examples/**/*.py' 'scripts/**/*.py' 'src/**/*.py' 'tests/**/*.py' 'utils/**/*.py' setup.py 'docs/**/*.md' 'docs/**/*.rst' 'examples/**/*.md' 'scripts/**/*.md' CODE_OF_CONDUCT.md CONTRIBUTING.md DEVELOPING.md README.md
314 files have copyrights
Running python quality checks
black --check examples tests src utils setup.py;
All done! ✨ 🍰 ✨
249 files would be left unchanged.
isort --check-only examples tests src utils setup.py;
Skipped 6 files
flake8 examples tests src utils setup.py;
src/deepsparse/utils/data.py:104:12: E721 do not compare types, for exact checks use `is` / `is not`, for instance checks use `isinstance()`
tests/deepsparse/pipelines/test_dynamic_batch_pipeline.py:38:12: E721 do not compare types, for exact checks use `is` / `is not`, for instance checks use `isinstance()`

After Change

make quality Completes without errors

Testing

Covered already by existing unit tests