Remove unused import

Author: c-salomonsen

utils/dataloaders/usps_0_6.py

@@ -7,7 +7,7 @@
 import bz2
 import hashlib
 from pathlib import Path
-from tempfile import TemporaryDirectory, TemporaryFile
+from tempfile import TemporaryDirectory
 from urllib.request import urlretrieve
 
 import h5py as h5