c

Author: nameexhaustion

py-polars/src/polars/functions/lazy.py

@@ -25,7 +25,6 @@
 from polars._utils.wrap import wrap_df, wrap_expr, wrap_s
 from polars.datatypes import DTYPE_TEMPORAL_UNITS, Date, Datetime, Int64
 from polars.datatypes._parse import parse_into_datatype_expr
-from polars.lazyframe.frame import _select_engine
 from polars.lazyframe.opt_flags import (
     DEFAULT_QUERY_OPT_FLAGS,
     forward_old_opt_flags,
@@ -2174,6 +2173,8 @@ def collect_all(
         lf = LazyFrame._from_pyldf(ldf)
         return lf
 
+    from polars.lazyframe.frame import _select_engine
+
     engine = _select_engine(engine)
     out = plr.collect_all(lfs, engine, optimizations._pyoptflags)