Take a snapshot of what your code does, then see if your edit moved anything. For code with no tests. Zero dependencies, MIT.
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Updated
Aug 8, 2026 - Python
Take a snapshot of what your code does, then see if your edit moved anything. For code with no tests. Zero dependencies, MIT.
GenAI-assisted, verification-driven modernization of mailgun/flanker: removes the Python 2 compat layer with byte-identical output proven via a characterization-test harness.
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