Unhandled exception: RuntimeError: input(): lost sys.stdin

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### Step 2: Describe the problem:

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#### Observed Results:

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The issue body contains only the report template, while the title names RuntimeError: input(): lost sys.stdin; no file, test, environment, or reproduction steps are provided. Start by collecting the missing environment and reproduction details, then identify the affected entry point and define a regression test once the failure is reproducible.

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