Stabilize tox by fixing Ruff/Pyright drift and restoring full coverage

[Copilot]

The current tox run was failing for three separate reasons: new Ruff rules flagged existing code, Pyright emitted a config warning for an unsupported setting, and the test suite fell just short of the repository’s 100% coverage gate. This change brings those checks back into agreement without changing the public behavior of the package.

• Lint/config alignment

  • Remove the unsupported reportUnnecessaryTypeAssertion Pyright setting.
  • Fix the Ruff findings in progressbar/bar.py by removing an unnecessary int(...) cast and marking the unused resize tuple element explicitly.

• Coverage gap

  • Add a focused stream test that exercises the enable_colors=True update path, covering the remaining uncovered branch in the bar output code.

• Formatter stability

  • Adjust formatting-sensitive code so repeated black and ruff format runs converge instead of rewriting the same files back and forth.

# Covered explicitly now: colored output should be preserved when enabled.
with progressbar.ProgressBar(
    fd=stream,
    widgets=['\033[92mgreen\033[0m'],
    max_value=1,
    enable_colors=True,
) as bar:
    bar.update(1)

[wolph]

/gemini review

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[Copilot]

Pull request overview

This PR stabilizes the project’s tox/CI checks by aligning linting/type-checking configuration, resolving newly enforced Ruff findings, and closing the remaining coverage gap without changing package behavior.

Changes:

• Removed an unsupported Pyright setting from pyproject.toml to eliminate config warnings.
• Addressed Ruff/format drift in progressbar/bar.py, progressbar/env.py, and progressbar/__main__.py to keep formatting stable across tools.
• Added a targeted stream test to cover the enable_colors=True update/output path and restore 100% coverage.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/test_stream.py	Adds a focused regression test ensuring ANSI color sequences are preserved when enable_colors=True.
pyproject.toml	Removes an unsupported Pyright option to stop config warnings/failures.
progressbar/env.py	Tweaks f-string formatting for regex construction to prevent formatter churn.
progressbar/bar.py	Fixes Ruff findings (unnecessary cast, unused tuple element) and consolidates a warning string for stable formatting.
progressbar/__main__.py	Refactors parser description assignment to avoid repeated formatter rewrites.

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[gemini-code-assist]

Code Review

This pull request refactors the argument parser description in __main__.py, simplifies calculation logic and handles an unused variable in bar.py, and updates string formatting in env.py. It also removes an unnecessary type assertion setting in pyproject.toml and adds a new test case for color support in tests/test_stream.py. I have no feedback to provide.