All good

pipeline/transform/postcode_boundaries/uprn.py

@@ -3,6 +3,8 @@ from pathlib import Path
 import numpy as np
 import polars as pl
 
+from pipeline.local_temp import local_tmp_dir
+
 from .memory import release_memory
 
 
@@ -17,7 +19,9 @@ def load_uprns(uprn_path: Path) -> tuple[pl.DataFrame, dict[str, tuple[int, int]
     print("Loading UPRN lookup...")
 
     # Sort via streaming sink to avoid polars doubling memory during in-memory sort
-    with tempfile.NamedTemporaryFile(suffix=".parquet", delete=False) as tmp:
+    with tempfile.NamedTemporaryFile(
+        suffix=".parquet", delete=False, dir=local_tmp_dir()
+    ) as tmp:
         tmp_path = Path(tmp.name)
     (
         pl.scan_parquet(uprn_path)