Misc Python 3 Improvements

[TimPansino]

Overview

• Fix some random instances of unicode strings.
• Remove redundant code after six.text_type was replaced in parse_exc_info.
• Clean up tox.ini file with various changes.
  • Update versions of pytest and WebTest.
  • Add missing py312 langchain tests.
  • Remove pin on hypercorn testing
• Refactor Pika tests usage of version info
• Remove unneeded skips in package version utils tests
• Remove six from requirements.txt file used by dependabot

[github-actions[bot]]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	bandit	2		0	5.4s
✅ PYTHON	black	8	3	0	1.7s
❌ PYTHON	flake8	8		8	0.57s
✅ PYTHON	isort	8	5	0	0.33s
❌ PYTHON	pylint	8		19	4.98s

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Please upload report for BASE (develop-remove-python27@7603533). Learn more about missing BASE report.

Files	Patch %	Lines
newrelic/common/object_names.py	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop-remove-python27 #1202 +/- ## ========================================================== Coverage ? 81.44% ========================================================== Files ? 196 Lines ? 21487 Branches ? 3743 ========================================================== Hits ? 17500 Misses ? 2872 Partials ? 1115 ```

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