fix feature for pylist

[MarcoGorelli]

PyList is only used in the DataType::Struct arm of this file - was this meant to be "dtype-struct"?

I noticed this while updating the plugins tutorial

Without this, I get:

error[E0433]: failed to resolve: use of undeclared type `PyList`
   --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/pyo3-polars-0.16.0/src/types.rs:475:30
    |
475 |                 let fields = PyList::new_bound(py, iter);
    |                              ^^^^^^ use of undeclared type `PyList`
    |
help: a struct with a similar name exists
    |
475 |                 let fields = PyDict::new_bound(py, iter);
    |                              ~~~~~~
help: consider importing this struct
    |
1   + use pyo3::types::PyList;

[ritchie46]

Ah.. Do we need a patch?

[MarcoGorelli]

i think so (if it's not too much bother), thanks 🙏