polars.exceptions.InvalidOperationError#
- exception polars.exceptions.InvalidOperationError[source]#
Exception raised when an operation is not allowed (or possible) against a given object or data structure.
Examples
>>> s = pl.Series("a", [1, 2, 3]) >>> s.is_in(["x", "y"]) polars.exceptions.InvalidOperationError: `is_in` cannot check for String values in Int64 data