code: def test_duckdb_index_is_partial() -> None:
      assert duckdb_index_is_partial(
          "https://hf.co/datasets/c4/resolve/refs%2Fconvert%2Fparquet/en/partial-train/index.duckdb"
      )
      assert duckdb_index_is_partial(
          "https://hf.co/datasets/bigcode/the-stack/resolve/refs%2Fconvert%2Fparquet/default/train/partial-index.duckdb"
      )
      assert not duckdb_index_is_partial(
          "https://hf.co/datasets/squad/resolve/refs%2Fconvert%2Fparquet/plain_text/train/index.duckdb"
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_duckdb_index_is_partial() without return types