[py] Cleanup tox config

[cgoldberg]

User description

💥 What does this PR do?

tox is the tool we use in Python for managing various tasks during local development (linting, doc generation, etc). This PR just cleans up the tox.ini file:

• rename vallidate-pyproject environment to validate since tox does some weird stuff when names contain non-alpha characters
• change comment style
• fix indentation and spacing
• remove missing test environments in envlist
• update envlist to include only validate and linting. These are the default tasks that are executed when calling tox with no args.

🔄 Types of changes

• local dev/build infrastructure

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PR Type

Enhancement

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Description

• Renamed validate-pyproject environment to validate

• Cleaned up comments, indentation, and spacing

• Removed unused test environments from envlist

• Updated default envlist to only validate and linting

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Changes walkthrough 📝

	Relevant files
Configuration changes	tox.ini Refactored tox.ini: environment renaming and formatting cleanup py/tox.ini Renamed validate-pyproject environment to validate Improved comment style, indentation, and spacing Removed unused test environments from envlist Updated envlist to include only validate and linting +29/-22

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PR Reviewer Guide 🔍

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⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ No major issues detected

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PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Include all defined environments The docs and mypy environments are still defined in the configuration but were removed from the envlist. This could lead to confusion as these environments exist but won't run by default. Either keep them in the envlist or remove their definitions if they're no longer needed. py/tox.ini [1-4] [tox] envlist = validate linting + docs + mypy Apply / Chat Suggestion importance[1-10]: 5 __ Why: The suggestion correctly identifies an inconsistency where docs and mypy environments are defined but excluded from envlist. However, this exclusion appears intentional based on the PR summary, which explicitly mentions removing unused environments from envlist.	Low
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