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{
  "commit": "5febeb36e2cac4ad15aab51fe1671957a3ff7dbe",
  "tree": "9ec63ecc34abd000da007fb25d3fbb87ee6f15e1",
  "parents": [
    "6c5d9fff14f0df84a657bee1d889bafc9e95a58b"
  ],
  "author": {
    "name": "Tim Saucer",
    "email": "timsaucer@gmail.com",
    "time": "Thu Oct 08 13:44:29 2026 -0400"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Thu Oct 08 13:44:29 2026 -0400"
  },
  "message": "ci: add ty type checker and fix existing type errors (#1786)\n\nAdd ty (pinned to 0.0.84, since it is pre-1.0) to the dev dependency\ngroup, configure it in pyproject.toml to check python/datafusion, and\nrun it in the lint-python CI job and as a local pre-commit hook.\ndatafusion._internal ships no stubs, and pandas/polars are optional\nTYPE_CHECKING-only imports, so they are allowed to stay unresolved.\n\nFix the diagnostics ty reported:\n\n- Make the internal udtf decorator helper require `name`, matching the\n  public overloads. `@udtf()` previously passed None into Rust and\n  failed with \"\u0027None\u0027 is not an instance of \u0027str\u0027\".\n- Give AggregateUDF.__init__ defaults matching its FFI overload, and add\n  the same FFI overload to ScalarUDF and WindowUDF.\n- Add None/non-None overloads to expr_list_to_raw_expr_list and\n  sort_list_to_raw_sort_list so callers that unpack the result type\n  check.\n- Stop rebinding typed *args and parameters to values of other types.\n- Import warnings.deprecated behind a sys.version_info check and drop\n  the unreachable importlib_metadata fallback.\n- Fix smaller annotation mismatches (LogicalPlan.__eq__,\n  spark._coerce_i32, CSV file_compression_type).\n\nCo-authored-by: Claude Opus 5.5 (1M context) \u003cnoreply@anthropic.com\u003e",
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