Fix Prettier formatting violations

[Copilot]

Fixed code style violations in src/components/PythonRunner.tsx to comply with Prettier configuration.

Changes

• Reformatted useImperativeHandle hook call with proper line breaks
• Collapsed single-line JSX text content per style guide

- useImperativeHandle(ref, () => ({
-   run: handleRun,
- }), [handleRun])
+ useImperativeHandle(
+   ref,
+   () => ({
+     run: handleRun,
+   }),
+   [handleRun],
+ )

All linting, formatting, type checking, and build now pass without errors or warnings.

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[Copilot]

Pull request overview

This PR updates PythonRunner to resolve Prettier formatting violations, primarily adjusting hook call formatting and JSX whitespace/layout.

Changes:

• Reformatted the useImperativeHandle call to match Prettier’s multiline style.
• Collapsed the empty-output <pre> JSX content to a single line.

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[Copilot]

This JSX change can alter rendered output: inside a

 (and with white-space: pre-wrap in CSS), newline/indentation whitespace is significant. Collapsing to a single line removes the leading/trailing whitespace that the previous multi-line markup would have produced. If this PR is meant to be style-only, consider rendering the text in a way that preserves the exact previous whitespace, or update the PR description to note the user-visible behavior change.