`concat_list` PanicException inside `agg()` about polars HOT 1 OPEN

thread '<unnamed>' panicked at crates/polars-plan/src/dsl/function_expr/list.rs:401:50:
called `Result::unwrap()` on an `Err` value: ComputeError(ErrString("cannot reshape len 0 into shape [-1, 1]"))
---------------------------------------------------------------------------
PanicException                            Traceback (most recent call last)
Cell In[5], line 1
----> 1 df.select(pl.concat_list('a'))

File ~/scratch/.venv/lib/python3.11/site-packages/polars/dataframe/frame.py:8301, in DataFrame.select(self, *exprs, **named_exprs)
   8201 def select(
   8202     self, *exprs: IntoExpr | Iterable[IntoExpr], **named_exprs: IntoExpr
   8203 ) -> DataFrame:
   8204     """
   8205     Select columns from this DataFrame.
   8206
   (...)
   8299     └───────────┘
   8300     """
-> 8301     return self.lazy().select(*exprs, **named_exprs).collect(_eager=True)

File ~/scratch/.venv/lib/python3.11/site-packages/polars/lazyframe/frame.py:1855, in LazyFrame.collect(self, type_coercion, predicate_pushdown, projection_pushdown, simplify_expression, slice_pushdown, comm_subplan_elim, comm_subexpr_elim, cluster_with_columns, no_optimization, streaming, background, _eager, **_kwargs)
   1852 # Only for testing purposes atm.
   1853 callback = _kwargs.get("post_opt_callback")
-> 1855 return wrap_df(ldf.collect(callback))

PanicException: called `Result::unwrap()` on an `Err` value: ComputeError(ErrString("cannot reshape len 0 into shape [-1, 1]"))