Bump virtualenv from 21.7.7 to 21.7.8

[dependabot]

Bumps virtualenv from 21.7.7 to 21.7.8.

Release notes

Sourced from virtualenv's releases.

21.7.8

What's Changed

• 🐛 fix(create): report a missing source that both modes need by @​darrenhuai in pypa/virtualenv#3227

Full Changelog: pypa/virtualenv@21.7.7...21.7.8

Changelog

Sourced from virtualenv's changelog.

Bugfixes - 21.7.8

• A missing source needed by both install modes now disables the builtin creator through meta.error. The check compared RefWhen values against RefMust members, so creation went on to fail with a FileNotFoundError or a dangling symlink - by :user:darrenhuai. (:issue:3227)

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v21.7.7 (2026-08-28)

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Commits

• e8e8615 release 21.7.8
• f4e186e 🐛 fix(create): report a missing source that both modes need (#3227)
• adfa9e4 [pre-commit.ci] pre-commit autoupdate (#3226)
• See full diff in compare view

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[senzingdevops]

Automated: approving this pull request because it includes a patch update

[github-actions]

🤖 Claude Code Review

Code Review: Bump virtualenv 21.7.7 → 21.7.8

This is a single-line dependency version bump in pyproject.toml (line 46), part of the development dependency group. Consistent with the recent commit history (4698866, e1c398b, b53a9b2), this appears to be a routine automated dependency update (Dependabot-style).

Code Quality

• ✅ Style conventions: Change follows existing TOML formatting/ordering in pyproject.toml:46.
• ✅ No commented-out code: N/A.
• ✅ Meaningful variable names: N/A.
• ✅ DRY principle: N/A.
• ✅ Defects: Patch-level version bump (21.7.7 → 21.7.8) of a dev-only tool (virtualenv), pinned to development group only — no runtime/production code paths affected. Low risk.
• ✅ CLAUDE.md review: .claude/CLAUDE.md content is general-purpose (describes project overview, dev commands, style, supported Python versions) and contains nothing specific to a local developer's machine (no hardcoded paths, usernames, or personal environment references). No changes needed here, and this PR doesn't touch it anyway.

Testing

• ✅ N/A — no new functions, endpoints, or logic introduced; this is a pinned-version bump only.

Documentation

• ✅ Readme/API docs: not applicable.
• ⚠️ CHANGELOG.md not updated (CHANGELOG.md): The file only has a placeholder [1.0.0] - yyyy-mm-dd entry with no real history yet. Consistent with the prior dependency-bump commits in this repo's history, none of which updated the changelog either — so this is likely fine as an established convention for routine dependency bumps, not a blocker.
• ✅ Markdown/CommonMark formatting: no markdown files touched by this diff.

Security

• ✅ No hardcoded credentials.
• ✅ No input validation concerns — dependency version pin only.
• ✅ No error handling changes.
• ✅ No sensitive data in logs.
• ✅ No .lic files or AQAAAD-prefixed strings present in this diff.

Summary

No issues found. This is a low-risk, routine dev-dependency patch bump consistent with prior commits in the repo. Safe to approve.

Automated code review analyzing defects and coding standards