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cmdlineluser avatar cmdlineluser commented on July 18, 2024 1

Can reproduce.

It seems to happen with lists also.

>>> pl.DataFrame({"x": [1]}).with_columns(y = [pl.lit(3)])
shape: (1, 2)
┌─────┬─────────────────┐
│ xy               │
│ ------             │
│ i64list[extension] │
╞═════╪═════════════════╡
│ 1   ┆ [dyn int: 3]    │
└─────┴─────────────────┘
pl.DataFrame({"x": [1, 2]}).with_columns(y = [pl.lit(3)])
# PanicException: called `Result::unwrap()` on an `Err` value: InvalidOperation(ErrString("`list_builder` operation not supported for dtype `object`"))

from polars.

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